SOLUTION: (h) Sport Alive sold 72 pairs of ski poles. Superlight poles sell at $30 per pair, while ordinary poles sell at $16 per pair. If the total sales value was $1530, how many pairs of

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: (h) Sport Alive sold 72 pairs of ski poles. Superlight poles sell at $30 per pair, while ordinary poles sell at $16 per pair. If the total sales value was $1530, how many pairs of       Log On

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Question 1078741: (h) Sport Alive sold 72 pairs of ski poles. Superlight poles sell at $30 per pair, while ordinary poles sell at $16 per pair. If the total sales value was $1530, how many pairs of each type were sold?

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
SL=x
O=y
x+y=72; number equation
30x+16y=1530; cost equation
-30x-30y=-2160
-14y=-630
y=45 O poles ($720)
y=27 SL poles ($810)
Total=$1530