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Evgesh-ka [11]
3 years ago
7

A girl makes $18 per hour as a math rotor. Her paycheck is calculated by multiplying by $18 times the number of hours she worked

how many hours will she have to work to earn more than $720
Mathematics
1 answer:
JulijaS [17]3 years ago
8 0

Answer:

x = 5

Step-by-step explanation:

asked "How many hours will she have to work to earn $90?".  (If I'm off track about how the questions ends, let me know.)

This is a proportion or ratio problem. The best way to handle these problems is:

- Set it up as fractions equal to each other.

- Be very careful where you put the x (the unknown)

- Cross-multiply to solve.

So our formula is:

18      90

___ = ___

1        X

When we cross-multiply we get:

18X = 90 x 1

18X = 90

x = 5

(I hope that helps Can I please have brainlist (crown)☺️)

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