Question

The ratio of two numbers is 7:8 .If the first number is 84. Find the second number. ​

Answer 1

Answer: The second number = 96

Explanation:

Given information

Ratio = 7 : 8

First number = 84

Second number = x

Set proportion according to the given information

84 / x = 7 / 8

Cross multiply

7x = 84 × 8

7x = 672

Divide 7 on both sides

7x / 7 = 672 / 7

`\boxed{x=96}`

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Answer 2

Answer: The second number is 96.

Explanation:

Let the second number be x

7/8 = 84/x

or, 7x = 672

or, x = 672/7

so, x = 96