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Popular >

A number is 9 less than another number. If their sum is 130, find the two numbers

Solution

A number is 9 less than another number. If their sum is 130, find the two numbers

Solution

The numbers : 60 \frac{1}{2}, 69 \frac{1}{2}

Solution steps

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x = y - 9

x + y = 130

x = y - 9, x + y = 130 : x = \frac{121}{2}, y = \frac{139}{2}

Convert improper fractions to mixed numbers:

\frac{121}{2} = 60 \frac{1}{2}

Convert improper fractions to mixed numbers:

\frac{139}{2} = 69 \frac{1}{2}

The numbers : 60 \frac{1}{2}, 69 \frac{1}{2}

Popular Examples

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