Problem 3: Serena is the manager of the coffee shop. The amount of money she earns is represented by the equation m=21h, where h is the number of hours Serena works, and m is the amount of money she earns. How much more money does Serena make an hour than Gabe? Explain your thinking.

Serena earns $7.50 per hour more than Gabe

Step-by-step explanation:

Given

Serena:

Gabe

Earnings: $13.50 per hour  ----- Missing Part of equation

Required

How much more does Serena earn per hour

For Serena

implies that She earns $21 per hour

So, to determine how much more She earns, we simply calculate the difference.

(per hour)

(per hour)

The difference implies that Serena earns $7.50 per hour more than Gabe

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step-by-step explanation:

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the answer is the third / last answer

step-by-step explanation: