Respuesta :

you earn $20 for washing 4 cars
naomi479xx
You have to do a cross product to get your answer :

35$ → 7 cars
× $ → 4 cars

× $ = ( 35 × 4 ) ÷ 7

× $ = (140) ÷ 7

× $ = 20

So the answer is : You earn 20$ for washing 4 cars! ☻

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