Question

Adam has 5 blue pencils. How many red pencils would he need to have so that the ratio of blue pencils to red pencils is 1:2?.

Answer 1

The number of red pencils is found to be 10 such that the ratio of blue pencils to red pencils is 1:2.

Explain the term ratio of the number?

• A ratio in mathematics demonstrates how several times one number is present in another.
• An set of points of numbers an as well as b, represented as a / b, is a ratio if b is not equal to 0.
• A proportion is indeed an equation that sets two ratios at the same value.

Let the number of number of red pencils be 'x'.

Total blue pencils = 5.

Ratio = blue pencils/red pencils

5/x = 1/2

x = 5 x 2

x = 10

Thus, the number of red pencils is found to be 10 such that the ratio of blue pencils to red pencils is 1:2.

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