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Over the weekend, Cedrick drove 45 1/4 miles. He used 2 1/2 gallons of gasoline. What is the unit rate for miles per gallon?



Sagot :

1 [tex] \frac{5}{8}\\ [/tex]

Step-by-step explanation:

To find unit rates, divide the number in the numerator of the rate by the number in the denominator of the rate. A car traveled 344 miles on 16 gallons of gasoline. To find the miles per gallon (unit rate), divide the numerator of the rate by the denominator of the rate. 344/16 = 21.5 miles / gallon is the rate.

==> [tex] 45\frac{1}{4} \div 2 \frac{1}{2} [/tex]

==>[tex] \frac{181}{4} \div \frac{5}{3} \\ [/tex]

==>[tex] \frac{181}{4} \times \frac{2}{5} [/tex]

==>[tex] \frac{362}{20} [/tex]

==> 18.1

==> 1 [tex] \frac{5}{8}\\ [/tex]