85% of 40 emails And 5% of 220 Filles

Question

Mathematics

Peter Durham

10 March, 08:23

85% of 40 emails And 5% of 220 Filles

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Answers (1)

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Furball · Answer 1

34 emails

11 files

Step-by-step explanation:

Set them up as proportions to solve.

FOr the emails 85/100 = x/40

Cross multiply to get 100x = 3400.

Divide by 100 to get 34

FOr the files, 5/100 = x/220

Cross multiply to get 100x = 1100

Divide by 100 to get 11.