What is the relationship between distance, time, and rate?

Question

How do you move among distance, time, and rate when two of the three components are known?

Answer 1

Just remember the acronym DiRT which can mean Di = R•T (aka D = RT) or Distance equals Rate multiplied by Time

BTW, "Rate" is velocity or speed.

Examples:

To find the distance traveled if you are going 50 miles per hour for 2 hours:

D = (50)*2 = 100 miles

To find the time it takes to travel 100 miles when traveling 50 miles per hour:

100 = 50•T (now divide both sides by 50 to get:

T = 2 hours

To find the speed (average speed) to travel 100 miles in 2 hours:

100 = R•2 (now divide both sides by 2 to get:

R = 50 miles per hour

Answer 2

Distance = Rate x Time (D=RxT)

Rate = Distance / Time (R=D/T)

Time = Distance / Rate (T=D/T)