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3 years ago

Ito washes 7 cars in 3 hours. Joan

Mathematics

2 answers:

Oksana_A [137]3 years ago

7 0

Answer:

ITO

Step-by-step explanation:

He can wash 7 cars in 3 hours.

a) 3 x 60 min = 180 minutes

b) 180\7 = 25.71 minutes per car

She can wash 9 cars in 4 hours

a) 4 x 60 = 240 minutes

b) 240\9 = 26.66 minutes per car

Elden [556K]3 years ago

5 0

Answer:

Ito

Step-by-step explanation:

Make them to their closest common multiple which is twelve.

Next times 7 by 4 as 3*(4) is 12

Then time 9 by 3 as 3*(4) is 12

7*4=28

9*3=27

Therefore ito washes at a faster rate

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