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nique1024
23.05.2020 •
Mathematics
A fruit company delivers its fruit in two types of boxes: large and small. A delivery of 5 large boxes and 6 small boxes has a total weight of 160 kilograms. A delivery of 3 large boxes and 2 small boxes has a total weight of 74 kilograms. How much does each type of box weigh?
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Ответ:
Small Box = 13.75 kg
Large Box = 15.5 kg
Step-by-step explanation:
x=wt of small box y = large box
First delivery
6x + 5y = 160 solve for y = 32 - (6/5x)
Second Delivery
3y + 2x = 74 Substitute for y
3(32 - (6/5x)) + 2x = 74 and solve for x
96 - (18/5x) +2x = 74
x = 13.75
x = 13.75 = small box kg y = 32 - (6/5x) = large box = 15.5 kg
Ответ:
270
Step-by-step explanation:
Just multiply.
5*6*9=270