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Popular Word Problems >

two numbers are in ratio 1:1 and their sum is 15. Find the numbers

Solution

tw o n u mb ers a re in r a t i o 1 : 1 an d t h e i r s u m i s 15. F in d t h e n u mb ers

Solution

The numbers : 7 \frac{1}{2}, 7 \frac{1}{2}

Solution steps

Represent the numbers in ratio 1:1 with

x

x

x

Write an equation for the sum:

x + x = 15

Solve for

x, x + x = 15 : x = \frac{15}{2}

x = \frac{15}{2}

x = \frac{15}{2}

Convert improper fractions to mixed numbers:

\frac{15}{2} = 7 \frac{1}{2}

Convert improper fractions to mixed numbers:

\frac{15}{2} = 7 \frac{1}{2}

The numbers : 7 \frac{1}{2}, 7 \frac{1}{2}

Popular Examples

Andrew is 6 years older than twice Maddy's age. If the sum of their ages is 78, how old is Maddy?10 is 20% of what number?:[?]The radius of a circle is 5 in. Find its area to the nearest whole number.the population of a city has increased by 27% since it was last measured. if the current population is 50800 what is the previous population the quotient of a number and 5 is 9