s224853 s224853

04-03-2021
Mathematics

contestada

Before dividing, decompose 420 to make it easier to divide by 4.

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violantealexandrae violantealexandrae

04-03-2021

First you can do 400 dived by 4 which is 100 and 20 dived by 4 which is 5 making the answer 105

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