Question

On a recent trip, the Baxter family drove 143 miles and used 423

gallons of gas. How many miles per gallon of gas did they travel?

Answer 1

30.64

Explanation:

�

�

�

�

�

�

�

�

�

�

�

�

�

�

=

143

4

2

3

gallon

distance

=

4

3

2

143

You can calculate

4

2

3

=

12

+

2

3

=

14

3

4

3

2

=

3

12+2

=

3

14

(remember, to solve these kinds of fractions, you multiply the wholes by the denominator and add to the numerator)

Substituting, it's:

143

14

3

=

143

∗

3

14

3

14

143

=143∗

14

3

which is 429/14 ≈ 30.64