SOLUTION: If Car A is going 70 miles an hour and Car B is 1/2 mile behind Car A how fast would Car B have to go in order to catch Car A within a 2 mile radius??!!!

Question 713293: If Car A is going 70 miles an hour and Car B is 1/2 mile behind Car A how fast would Car B have to go in order to catch Car A within a 2 mile radius??!!!
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
If Car A is going 70 miles an hour and Car B is 1/2 mile behind Car A how fast would Car B have to go in order to catch Car A within a 2 mile radius!!!
:
Let s = the required speed of car B
We can say that Car B has to travel 2.5 mi while Car A travels 2 mi
Distance and speed vary directly
=
cross multiply
2s = 70 * 2.5
2s = 175
s = 175/2
s = 87.5 mph for Car B to catch Car A with in a 2 mi radius
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