Question

Francine sold 3 coffee mugs and 5 vases for a total of $90 at a fair on Saturday. The next day she sold 2 coffee mugs and 4 vases for $70.Which system of equations can be used to find x, the price in dollars of each coffee mug, and y, the price in dollars of each vase?

Answer 1

∵ x is the price of each mug

∵ y is the price of each vase

∵ On Saturday, he sold 3 mugs and 5 vases for a total of $90

∴ 3x + 5y = 90 (first equation)

∵ On the next day, he sold 2 mugs and 4 vases for $70

∴ 2x + 4y = 70 (second equation)

The system of equ