Problema Solution
a group of friends go to a fast food place. Cosmo and Wanda order 3 milkshakes and 2 orders of fries and their bill is $22. Timmy and Chip order 5 milkshakes and 4 orders of fries and their bill is $40. How much does one milkshake cost?
Answer provided by our tutors
Let 'x' the cost per milk shake and 'y' the cost per order of fries.
3x + 2y = 22
5x + 4y = 40
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click here to see the system of equations solved for x and y
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x = $4 per milkshake
y = $5 per order of fries
One milk shake costs $4.