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Popular Word Problems >

The difference of four times number and six is twenty.:Translate the word problem to an equation.:Find the number.

Solution

T h e d i ff ere n ce o f f o u r t im es n u mb er an d s i x i s tw e n t y . : T r an s l a t e t h e w or d p ro b l e m t o an e q u a t i o n . : F in d t h e n u mb er .

Solution

The number : 6 \frac{1}{2}

Solution steps

Represent the number with

x

A.T.Q.:

4 x - 6 = 20

Solve for

x, 4 x - 6 = 20 : x = \frac{13}{2}

Convert improper fractions to mixed numbers:

\frac{13}{2} = 6 \frac{1}{2}

The number : 6 \frac{1}{2}

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