tusharchandler124
01.07.2019 •
Mathematics
Adelivery truck is transporting boxes of two sizes: large and small. the combined weight of a large box and small box is 80pounds.the truck is transporting 55 large boxes and 60 small boxes. if the truck is carrying a total of 4575 pounds in boxes, how much does each type of box weigh? large: small:
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Ответ:
Large; 45 pounds
Small: 35 pounds
Step-by-step explanation:
let x= large and y=small
Set up two equations:
x+y=80
55x+60y=4575
Solve:
x=80-y
Plug this 'x' into your other equation
55(80-y)+60y=4575
Distribute:
4400-55y+60y=4575
Simplify:
5y=175
Divide:
y=35 small boxes
Plug this 'y' into first equation
x+35=80
Solve:
x=45
Ответ: