Q.72 - Algebra 2

Question

$0.10d + 0.25(d + 7) = 5.25$

Step-by-Step Solution

Answer

The value of $d=10$

Step 1 - The given information

$0.10d + 0.25(d + 7) = 5.25$

Step 2

$$\begin{gathered} 0.10d + 0.25(d + 7) = 5.25 \\ \Rightarrow 0.10d + 0.25d +1.75 = 5.25 \\ \Rightarrow 0.35d=5.25-1.75 \\ \Rightarrow 0.35d=3.50 \\ \Rightarrow d=10 \end{gathered}$$