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Sladkaya [172]
3 years ago
5

A grocer has two kinds of tea, one selling for 80 cents per pound and the other selling for 60 cents per pound. How many pounds

of each kind must he use to make 50 pounds of tea that will sell for 74 cents per pound?
Mathematics
1 answer:
ruslelena [56]3 years ago
8 0
X*80+y*60= 50*74
x      +y      =50            | * ( -60)

80x  + 60y= 50*74
-60x  - 60y=-50*60
---------------------------
20x= 50*(74-60)=50*14
x=50*14/20=35 pounds of 80 cents tea
y=50-35=15 pounds of 60 cents tea
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