3 b + 4 f = 14.63
2 b + 5 f = 16.03
solve the system for b
15 b + 20 f = 73.15
8 b + 20 f = 64.12
subtracting equations (to eliminate f) ... 7 b = 9.03
Marcella and Ruben bought some party supplies. Marcella bought 3 packages of
balloons and 4 packages of favors for $14.63. Ruben bought 2 packages of balloons and
5 packages of favors for $16.03. Find the price of a package of balloons.
1 answer
1 answer