1. Two planes departed from an airport at the same time. One flew east at the rate of 180 mph. The other flew west at the rate of 330 mph. In how many hours will they be 1530 miles apart?

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  3 hours

Step-by-step explanation:

After 1 hour, the planes are separated by a distance of 180 +330 = 510 miles. At that rate, the time it takes for them to be 1530 miles apart is ...

  time = distance/speed

  time = (1530 mi)/(510 mi/h) = 3 h

After 3 hours, the planes will be 1530 miles apart.

hello, sorry being so rude after all that fighting i found it kind of funny, so as me saying sorry here is an answer!

since the table showed her that   2km = 2000m.

to determine, how many km in 2000m, she would divide by 1000.

= 2000 / 1000 = 2 km.

similarly, for 8000m = 8000 / 1000 = 8 km

cheers to savings

~

your pal papaguy