nasia80
nasia80
13-01-2019
Mathematics
contestada
Need help to solve/steps equation
Respuesta :
lijeffrey529
lijeffrey529
13-01-2019
Let x = the cost of one muffin
Let y = the cost of one quart of milk
3x + y = 7.50 y = 7.50 - 3x
8x + 2y = 18
8x + 2(7.50 - 3x) = 18
8x + 15 - 6x = 18
2x = 3
x = $1.50
y = 7.50 - 3(1.50) = 7.50 - 4.50
y = $3.00
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