Respuesta :

noahsarkkk

Answer:

krista would have earned 70  dollars

Step-by-step explanation:

first do how much she saved ($21) divided by the $3 she takes out of every $15

you end up with 7. you would slap a big phat 0 on the end, and boom, you have your answer. $70

hope this helps,

                       noah
15/3.00 = .2

.2(21) = $4.20

She would earn $4.20 dollars if she saves $21

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