Question

A road map has a scale of 10 miles per inch. the length of the straight-line road on the map between two cities is 6 inches. if the road between the cities has a speed limit of 30 mph, about how long should it take to drive from one city to the next?

Answer 1

it should take about 2 hours

Answer 2

It takes 2 hours to drive from one city to the next.

Explanation:

The length of the straight-line road on the map between two cities is 6 inches.

⇒ Length on map = 6 inches

Now, A road map has a scale of 10 miles per inch.

So, Actual length of the road = 6 × 10

= 60 miles

Now, Speed = 30 miles/hour

⇒ Distance = Speed × Time

⇒ 60 = 30 × Time

⇒ Time = 2 hours

Hence, It takes 2 hours to drive from one city to the next.