Question

Gina wants to earn more than $100 selling candy bars. She has already earned $25 selling candy bars. The price of each candy bar is $2. If x represents the number of candy bars to be
sold, write and solve an inequality to show how many more candy bars Gina needs to sell to earn more than $100.

Answer 1

Gina needs to sell approximately 38 candy bars to make $100.

Data given;

• cost of one candy = $2
• amount already earned = $25
• Target amount = $100

Equation

Let x represent the total number of candy she needs to sell

$100=2x+25$

Collect like terms

$100-25=2x\\75=2x$

Divide both sides by the coefficient of x

$75/2 = 2x/2\\x=37.5$

Gina needs to sell 37.5 candy bars which is approximately 38 bars.

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