math

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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 -

    first class ---- 30
    normal people ---- 150-30 = 120



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

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