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Elena and Jada each make money by helping out their neighbors. Elena babysits. Her earnings are given by the equation y=8.40x, where x represents how many hours she works and y represents how much money she earns. Jada earns $7 per hour mowing her neighbors' lawns. Who makes more money after working 12 hours?

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Answer:

Because Elena receives a higher value per hour, she earns $16.8 more than Jada.

Step-by-step explanation:

Giving the following information:

Elena:

y=8.40x

Jada:

y= 7x

We need to calculate the total income for 12 hours:

Elena:

y=8.40*12

y= $100.8

Jada:

y= 7*12

y= $84

Because Elena receives a higher value per hour, she earns $16.8 more than Jada.

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