The ratio of a to b is 4/7. If a is 16, how do you find the value of b?

1 Answer
Jim G.
May 6, 2018

b=28

Explanation:

"expressing the ratios in equivalent fraction form"

rArra/b=4/7

"given "a=16" then"

16/b=4/7

"we can solve using "color(blue)"cross-multiplication"

•color(white)(x)a/b=c/drArrad=bc

rArr4b=16xx7

rArrb=(cancel(16)^4xx7)/cancel(4)^1=4xx7=28

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