Chapter 4

For Problems 1-12, solve each equation. You will be using these types of equations in Problems \(13-41\). $$ 0.3 x+0.7(20-x)=0.4(20) $$

For Problems \(1-12\), solve each of the equations. These equations are the types you will be using in Problems 13-40. $$ 950(0.12) t=950 $$

For Problems \(1-10\), solve for the specified variable using the given facts. (Objective 1) $$ \text { Solve } d=r t \quad \text { for } t \text { if } d=336 \text { and } r=48 \text {. } $$

Solve each of the equations. $$x-0.36=0.75$$

Solve each of the equations. $$\frac{x}{6}=\frac{3}{2}$$

For Problems 1-12, solve each equation. You will be using these types of equations in Problems \(13-41\). $$ 0.4 x+0.6(50-x)=0.5(50) $$

For Problems \(1-12\), solve each of the equations. These equations are the types you will be using in Problems 13-40. $$ 1200(0.09) t=1200 $$

For Problems \(1-10\), solve for the specified variable using the given facts. (Objective 1) $$ \text { Solve } d=r t \quad \text { for } r \text { if } d=486 \text { and } t=9 $$

Solve each of the equations. $$x-0.15=0.42$$

Solve each of the equations. $$\frac{x}{9}=\frac{5}{3}$$

For Problems 1-12, solve each equation. You will be using these types of equations in Problems \(13-41\). $$ 0.2(20)+x=0.3(20+x) $$

For Problems \(1-12\), solve each of the equations. These equations are the types you will be using in Problems 13-40. $$ \ell+\frac{1}{4} \ell-1=19 $$

For Problems \(1-10\), solve for the specified variable using the given facts. (Objective 1) $$ \text { Solve } i=\text { Prt } \quad \text { for } P \text { if } i=200, r=0.08 \text {, and } t=5 \text {. } $$

Solve each of the equations. $$x+7.6=14.2$$

Solve each of the equations. $$\frac{5}{12}=\frac{n}{24}$$

For Problems 1-12, solve each equation. You will be using these types of equations in Problems \(13-41\). $$ 0.3(32)+x=0.4(32+x) $$

For Problems \(1-12\), solve each of the equations. These equations are the types you will be using in Problems 13-40. $$ \ell+\frac{2}{3} \ell+1=41 $$

For Problems \(1-10\), solve for the specified variable using the given facts. (Objective 1) $$ \text { Solve } i=\text { Prt } \text { for } t \text { if } i=540, P=750 \text {, and } r=0.09 \text {. } $$

Solve each of the equations. $$x+11.8=17.1$$

Solve each of the equations. $$\frac{7}{8}=\frac{n}{16}$$

For Problems 1-12, solve each equation. You will be using these types of equations in Problems \(13-41\). $$ 0.7(15)-x=0.6(15-x) $$

For Problems \(1-12\), solve each of the equations. These equations are the types you will be using in Problems 13-40. $$ 500(0.08) t=1000 $$

For Problems \(1-10\), solve for the specified variable using the given facts. (Objective 1) $$ \text { Solve } \mathrm{F}=\frac{9}{5} \mathrm{C}+32 \text { for } \mathrm{C} \text { if } \mathrm{F}=68 $$

Solve each of the equations. $$0.62-y=0.14$$

Solve each of the equations. $$\frac{x}{3}=\frac{5}{2}$$

For Problems 1-12, solve each equation. You will be using these types of equations in Problems \(13-41\). $$ 0.8(25)-x=0.7(25-x) $$

For Problems \(1-12\), solve each of the equations. These equations are the types you will be using in Problems 13-40. $$ 800(0.11) t=1600 $$

For Problems \(1-10\), solve for the specified variable using the given facts. (Objective 1) $$ \text { Solve } \mathrm{C}=\frac{5}{9}(\mathrm{~F}-32) \text { for } \mathrm{F} \text { if } \mathrm{C}=15 $$

Solve each of the equations. $$7.4-y=2.2$$

Solve each of the equations. $$\frac{x}{7}=\frac{4}{3}$$

For Problems 1-12, solve each equation. You will be using these types of equations in Problems \(13-41\). $$ 0.4(10)-0.4 x+x=0.5(10) $$

For Problems \(1-12\), solve each of the equations. These equations are the types you will be using in Problems 13-40. $$ s+(2 s-1)+(3 s-4)=37 $$

For Problems \(1-10\), solve for the specified variable using the given facts. (Objective 1) $$ \text { Solve } V=\frac{1}{3} B h \quad \text { for } B \text { if } V=112 \text { and } h=7 $$

Solve each of the equations. $$0.7 r=56$$

Solve each of the equations. $$\frac{x-2}{4}=\frac{x+4}{3}$$

For Problems 1-12, solve each equation. You will be using these types of equations in Problems \(13-41\). $$ 0.2(15)-0.2 x+x=0.4(15) $$

For Problems \(1-12\), solve each of the equations. These equations are the types you will be using in Problems 13-40. $$ s+(3 s-2)+(4 s-4)=42 $$

For Problems \(1-10\), solve for the specified variable using the given facts. (Objective 1) $$ \text { Solve } V=\frac{1}{3} B h \quad \text { for } h \text { if } V=216 \text { and } B=54 \text {. } $$

Solve each of the equations. $$1.3 t=39$$

Solve each of the equations. $$\frac{x-6}{7}=\frac{x+9}{8}$$

For Problems 1-12, solve each equation. You will be using these types of equations in Problems \(13-41\). $$ 20 x+12\left(4 \frac{1}{2}-x\right)=70 $$

For Problems \(1-12\), solve each of the equations. These equations are the types you will be using in Problems 13-40. $$ \frac{5}{2} r+\frac{5}{2}(r+6)=135 $$

For Problems \(1-10\), solve for the specified variable using the given facts. (Objective 1) Solve \(A=P+P r t\) for \(t\) if \(A=652, P=400\), and \(r=0.07\).

Solve each of the equations. $$x=3.36-0.12 x$$

Solve each of the equations. $$\frac{x+1}{6}=\frac{x+2}{4}$$

For Problems 1-12, solve each equation. You will be using these types of equations in Problems \(13-41\). $$ 30 x+14\left(3 \frac{1}{2}-x\right)=97 $$

For Problems \(1-12\), solve each of the equations. These equations are the types you will be using in Problems 13-40. $$ \frac{10}{3} r+\frac{10}{3}(r-3)=90 $$

For Problems \(1-10\), solve for the specified variable using the given facts. (Objective 1) Solve \(A=P+P r t\) for \(P\) if \(A=1032, r=0.06\), and \(t=12\).

Solve each of the equations. $$x=5.3-0.06 x$$

Solve each of the equations. $$\frac{x-2}{6}=\frac{x-6}{8}$$