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Ralph runs at a constant rate of 3 miles per hour. How long will it take Ralph to run 15 miles?
A. 2 hr.
B. 3 hr.
C. 4 hr.
D. 5 hr.


Sagot :

D 5 hours because you need to times 3 x ? To get 15 so you can do 15 divided by 3 to get ? Which is 5 to the answer is 5