Question

find x in each of the following proportion
a. 3:6::15 : x
b. x:9::84:36​

Answer 1

Step-by-step explanation:

a. product of extremes= product of means

3×x= 6×15

3×x=90

x=90÷3

x=30

b. product of extremes=product of means

x×36=9×84

x×36=756

x=756÷36

x=21

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