Mamadou11777 Mamadou11777

19-02-2017
Mathematics

contestada

Sam can type 20 words in 35 seconds. How many words can he type in 90 seconds?

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Аноним Аноним

19-02-2017

he can type about 51 words in 90 seconds because
use proportion
7x = 360
x = 51 3/7
x is about 51

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