Asked by ^^^^kesha
two crooks rob a bank and flee to the east at 66mph. In 30mins, the police follow them in a hellicopter. flying at 132mph. How long willit take for the police to overtake the robbers?
I came up with 60mins. i don't think it right! please help with distance problems, i really want to be good at them, d=rt
I came up with 60mins. i don't think it right! please help with distance problems, i really want to be good at them, d=rt
Answers
Answered by
MathMate
They have fled 30min at 66 mph = 33 miles.
For the helicopter to catch up with them, they have to make up 33 miles at the difference of speeds (132-66)=66 mph.
So they will catch up in another 30 minutes.
For the helicopter to catch up with them, they have to make up 33 miles at the difference of speeds (132-66)=66 mph.
So they will catch up in another 30 minutes.
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