Math

An aircraft is to carry a load of relief food supplies from a depot which holds 2 kinds of food package. Each carton of food package A weighs 15 kilograms, 40 liters in volume and contains 250 ration units. Each carton of food package B weighs 25 kilograms, 20 liters in volume and contains 350 ration units. There are 80 cartons of food package A and 45 cartoons of food package in the depot. The plane can carry no more than 1 500kg and no more than 3 000 liters. If the relief center requires at least 6000 ration units, find the system of inequalities that describe the possible loads, and give one possible answer

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  1. a <= 80
    b <= 45
    15a+25b <= 1500
    40a+20b <= 3000
    250a+350b >= 6000

    a = 25
    b = 30

    is one solution

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    posted by Steve

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