Brittanyb13 Brittanyb13

17-02-2016
Mathematics

contestada

You have 45 coins. Five out of every 9 are heads and the rest are tails.how many coins are heads?

Respuesta :

icarlson icarlson

17-02-2016

25 are heads because

5 = x
9 45

then cross multiply

9x = 225

then divide by 9

x = 25

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