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damaskus [11]
4 years ago
10

A rescue mission is being conducted using a plane to drop supplies and medical personnel. A helicopter is also sent from the sam

e base station to rescue wounded persons. If the plane flies 400 mph, the helicopter flies 200 mph, and they leave at the same time, how far away is the rescue site if the helicopter arrives 1 hour after the plane arrives?
Mathematics
1 answer:
Sladkaya [172]4 years ago
6 0

Answer:

Step-by-step explanation:

let the  plane takes t hours

then 400×t=200(t+1)

400 t=200 t+200

400 t-200 t=200

200 t=200

t=200/200=1 hr

distance =400×1=400 miles

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