
Victoria V. answered 09/19/18
Tutor
5.0
(402)
Math Teacher: 20 Yrs Teaching/Tutoring CALC 1, PRECALC, ALG 2, TRIG
Hi Key.
Lets think about this. At 25 miles per hour, that means that you can travel 25 miles in 1 hour.
So after 1 hour has passed, you have driven 25 miles.
After 2 hours have passed, you have driven 50 miles
After 3 hours have passed you have driven 75 miles
After 4 hours has passed you have driven 100 miles
After 5 hours has passed you have driven 125 miles
After 6 hours has passed, you have driven 150 miles
After 7 hours has passed, you have driven 175 miles.
And we have found the answer. It takes 7 hours.
Mathematically, if we take 175 miles and divide by 25 miles/hour, we find 175/25 = 7 hours.