Matt and Ming are selling fruit for a school fundraiser. Customers can buy small boxes of oranges and large boxes of oranges. Matt sold 3 small boxes of oranges and 14 large boxes of oranges for a total of $203. Ming sold 11 small boxes of oranges and 11 large boxes of oranges for a total of $220. Find the cost each - one small box of oranges and one large box of oranges.

Respuesta :

3S + 14L = 203
11S + 11L = 220

S+L = 20
S=20-L

3(20-L) + 14L = 203
60-3L +14L=203
11L = 203-60
11L=143
L=13

S=20-L
S=20-13
S=7

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