Question

A bag contains only pink , black and yellow marbles the ratio is 8:7 the ratio of black to yellow is 1:5

Answer 1

The percent of black is 14% if the bag contains only pink, black and yellow marbles the ratio is 8:7 the ratio of black to yellow is 1:5

What is the ratio?

It is defined as the comparison between two quantities that how many times the one number acquires the other number. The ratio can be presented in the fraction form or the sign : between the numbers.

We have:

Pink to black = 8:7

Black to yellow = 1:5

Let's suppose the pink is 8x

Black = 7x

Yellow = 7(5x) = 35x

Percent of black = 7x(100)/(8x+7x+35x)

Percent of black = 14%

Thus, the percent of black is 14% if the bag contains only pink, black and yellow marbles the ratio is 8:7 the ratio of black to yellow is 1:5

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