SOLUTION: Hamburger costs $1.50 per pound and soy costs $1.00 per pound. The school cafeteria uses 50 more pounds of soy than hamburger and spends $350 a week. How much soy does the school u

Question 209255: Hamburger costs $1.50 per pound and soy costs $1.00 per pound. The school cafeteria uses 50 more pounds of soy than hamburger and spends $350 a week. How much soy does the school use?
Answer by RAY100(1637) (Show Source): You can put this solution on YOUR website!
Let H= # of hamburger,,,,,S= # of soy
.
S= H + 50,,,,given
.
1.5 H + 1S = 350,,,,,given,,,,,,,,substitute
.
1.5 H + 1(H+50) = 350
.
2.5 H +50 =350
.
2.5 H =300
.
H= 120 #
.
and S=120 + 50 = 170 #
.
checking,,1.5(120) + 1(170) = 350,,,ok
.
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