Problema Solution
Mr. Yogurt sells half-gallons of frozen yogurt for $4.00 each and gallons for $7.00 each. One day he sells a total of 50 containers of yogurt, for a total of $287.00. How many of each kind of container did he sell?
Answer provided by our tutors
let
x = the number of half-gallon containers sold
y = the number of one-gallon containers sold
one day he sells a total of 50 containers of yogurt
x + y = 50
for a total of $287.00
4x + 7y = 287
by solving the system of equations
x + y = 50
4x + 7y = 287
we find
x = 21 half-gallon containers
y = 29 one-gallon containers
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