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Three months later, Pepe averaged a speed of 4/5 of a mile in 1/10 of an hour, while Paula averaged 5/6 of a mile in 1/12 of an hour. In miles per hour, how much faster did Paula run than Pepe?

Sagot :

Answer:

2 miles per hour

Step-by-step explanation:

We have to calculate the miles per hour of each person

Formula = Distance in miles/ Time in hours

a) For Pepe

Pepe averaged a speed of 4/5 of a mile in 1/10 of an hour

Hence,

= 4/5 miles / 1/10 hour

= 4/5 miles ÷ 1/10 hour

= 4/5 miles × 10/1 hour

= 8 miles per hour

b) For Paula

Paula averaged 5/6 of a mile in 1/12 of an hour.

Hence,

= 5/6 miles / 1/12 hour

= 5/6 miles ÷ 1/12 hour

= 5/6 miles × 12 hour

= 10 miles per hour

Therefore, In miles per hour, the number of miles Paula ran faster than Pepe is calculated as:

10 miles per hour - 8 miles per hour

= 2 miles per hour