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2 years ago

If one plane is flying 40 mph and another plane is flying 100 mph, and they

Mathematics

2 answers:

jekas [21]2 years ago

7 0

Answer:

1 3/7 hours

Step-by-step explanation:

The planes are closing the 200 mile separation distance at a rate of (40 +100) = 140 miles per hour. The time it takes for that distance to be closed is ...

time = distance/speed

time = (200 mi)/(140 mi/h) = 200/140 h = 10/7 h = 1 3/7 h

The planes will meet after 1 3/7 hours, about 1 hour 25 minutes 43 seconds.

arlik [135]2 years ago

3 0

Answer:

i think 60 miles

Step-by-step explanation:

I just added the 100+40 then

200-140

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