Asked by Crewmate
help...please sooo this is the problem 3/4h x 19mi/ 1/4h plsssss help :( I don't understand!
Answers
Answered by
R_scott
if you can go 19 mi in 1/4 hr , how far can you go in 3 times the time?
Answered by
oobleck
you have all the quantities -- just do the multiplications
(3/4 hr) * (19mi)/(1/4 hr) = 3/4 * 19 * 4/1 = 57 mi
Note how the units cancel, just like the numbers: hr * mi/hr = mi
That's why distance = speed * time
(3/4 hr) * (19mi)/(1/4 hr) = 3/4 * 19 * 4/1 = 57 mi
Note how the units cancel, just like the numbers: hr * mi/hr = mi
That's why distance = speed * time
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