Question

Sarah drives at a speed of 70 miles per hour. how long will it take to drive 385 Miles?​

Answer 1

Step-by-step explanation:

385/70=5.5 hours

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Answer 2

Answer:

The time required to travel 385 miles = 5.5 hours

Step-by-step explanation:

Given,

Sarah drives at a speed of 70 miles per hour.

To find,

The time required to travel 385 miles

Solution:

Recall the formula,

Speed =  $\frac{Distance \ travelled}{Time \ taken}$

Since speed is the distance traveled in unit time,

We have distance traveled in 1  hour = 70 miles

Time taken to travel 70 miles = 1 hour

Time taken to travel 1 mile = $\frac{1}{70}$ hours

Time taken to travel 385 miles =  $\frac{1}{70}$ × 385 = 5.5hours

∴The time required to travel 385 miles = 5.5 hours

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