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Popular Word Problems >

The difference between a number and three times that number is 17. Find the number

Solution

T h e d i ff ere n ce b e tw ee n a n u mb er an d t h ree t im es t ha t n u mb er i s 17. F in d t h e n u mb er

Solution

The number : - 8 \frac{1}{2}

Solution steps

Represent the number with

x

A.T.Q.:

x - 3 x = 17

Solve for

x, x - 3 x = 17 : x = - \frac{17}{2}

Convert improper fractions to mixed numbers:

\frac{17}{2} = 8 \frac{1}{2}

The number : - 8 \frac{1}{2}

Popular Examples

Find the simple interest when 500 is invested at 5% for 2 years If two less than three times a number is twenty-two. What is the number?how much must be deposited today into the following account in order to have 60000 dollars in 6 years for a down payment on a house. assume no additional deposits are made. an account with quarterly compounding and an APR of 4.2%. how much should be deposited today five more than a number is 10 20 is 10% of what number