three glasses of milk and two snack bars have a total of 54 carbs and two glasses of milk and three snack bars have a total of 56 carbs. Determine how many carbs are in one glass of milk and one snack bar.
Let x is carbs in one glasse of milk and y is carbs in one snack bar. The system of equations will be:
3x + 2y = 54
2x + 3y = 56
From the first equation: x = (54-2y)/3
Substitute this into second equation:
(2(54-2y))/3 + 3y=56
5y = 60
So, the number of carbs in one glasse of milk is 10, the number of carbs in one snack bar is 12.
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