Solve the problem.
-The time it takes to travel a given distance at constant speed is given by the formula t = dr , where t is the time, d is the distance, and r is the rate of travel. At 0.7 mile per minute, what distance can be traveled in 30 minutes?
A) 21 mi
B) 4.2 mi
C) 42 mi
D) 10.5 mi

Question

Quizplus · Accepted Answer

The formula to find the distance is $d = t \times r$. Given $t = 30$ minutes and $r = 0.7$ mile per minute, the distance $d = 30 \times 0.7 = 21$ miles.

Solve the Problem. -The Time It Takes to Travel a Given Distance at Given