Q62. - Algebra 1

Question

Adelina is comparing prices for two brands of health and energy at the local grocery store. She wants to get the best price for each bar.

1. Write an equation to find the price for each bar of the Feel Great brand.
2. Write an equation to find the price of each bar for the Super Power brand.
3. Which bar should Adelina buy? Explain.

Step-by-Step Solution

Answer

1. The equation for the price of each bar of Feel Great brand is $x=\$18.00$.
2. The equation for the price of each bar of Superpower brand is $y=\$21.75$.
3. Adelina should buy the Feel great brand bar.

Part a. Step 1. Given information.

Adelina is comparing prices for two brands of health and energy at the local grocery store. She wants to get the best price for each bar.

Part a. Step 2. Write the concept.

In an equation, the variable represents the number that satisfies the equation.

Part a. Step 3. Write the equation.

Consider the price of each bar of Feel Great brand be x.

So, the equation for the price of each bar of Feel Great brand will be:

$x=\$18.00$

Part b. Step 1. Given information.

Adelina is comparing prices for two brands of health and energy at the local grocery store. She wants to get the best price for each bar.

Part b. Step 2. Write the concept.

In an equation, the variable represents the number that satisfies the equation.

Part b. Step 3. Write the equation.

Consider the price of each bar of Superpower brand be .

So, the equation for the price of each bar of Superpower brand will be:

$y=\$21.75$

Part c. Step 1. Given information.

Adelina is comparing prices for two brands of health and energy at the local grocery store. She wants to get the best price for each bar.

Part c. Step 2. Write both equations.

The equation for the price of each bar of Feel Great brand is:

$x=\$18.00$

 

The equation for the price of each bar of Superpower brand is:

$y=\$21.75$

Part c. Step 3. Conclusion.

Adelina should buy the Feel great brand bar because it is cheaper than the Superpower brand bar.