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Ilia_Sergeevich [38]
2 years ago
11

Helpp i really neeed it

Mathematics
1 answer:
Marizza181 [45]2 years ago
7 0

Answer:

9 hours

Step-by-step explanation:

If she makes $ 20 for each car, washing 9 cars in 3 hours would get $ 180.

So she will need to work 9 hours 180 + 180 + 180, washing 9 cars in 3 hours and would get $ 540. This is enough to buy her phone and she will have a surplus of $ 120.

In summary she must work 9 hours

Hope this helps you, please give me the brainliest

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