Aplane flies from new york to los angleles at a constant speed of 800 km/hr. if the distnace from new york to los angeles is 4000 km how long will it take the plane to fly that distance?

Because distance = rate times time, time = distance / rate.

Here,

time = 4000 km / 800 km/hr = 5 hrs

the entire expression should be subtracted from 30. to subtract the quantity, distribute the negative sign, which changes the signs on the terms. so, the –2 changes to positive and gets added to 30 instead of subtracted from it.

hope this ! ^w^

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