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3 years ago

13

Cristobal took 3 hours to wash five cars at this rate how many cars could you watch over a period of 45 hours

1 answer:

Airida [17]3 years ago

8 0

You could wash 75 cars at this rate because 45/3 equals 15. You would multiply 5 by 15 and get 75.

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<img src="https://tex.z-dn.net/?f=%5Bx%5E%7B2%2F5%7D%20%5D%5Bx%5E%7B1%2F5%7D%20%5D" id="TexFormula1" title="[x^{2/5} ][x^{1/5} ]

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$[x^{2/5} ][x^{1/5} ] \\ \\ = {x}^{ \frac{2}{5} + \frac{1}{5} } \\ \\ = {x}^{ \frac{2 + 1}{5} } \\ \\ = {x}^{ \frac{3}{5} } \\$

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