Homework Help: math

Posted by Mary on Thursday, September 20, 2012 at 8:58am.

A jumbo jet carries 150 passengers, 30 in first class and the remainder in coach. If the average first class ticket is $550 and the average coach ticked is $150, how much will the airplane gross if the plane is full?

math - Reiny, Thursday, September 20, 2012 at 9:06am
first class ---- 30
normal people ---- 150-30 = 120

evaluate:
30(550) + 120(150)
= .....

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