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.Com
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) (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
RELATED QUESTIONS
Vinod while driving his bike on a stretch having poles marked at equal distance crosses... (answered by ankor@dixie-net.com)
Jessie and Kikkan are shopping for ski equipment. Jessie buys four pairs of skis and... (answered by josgarithmetic)
An electric company is placing utility poles along a road. It is determined that 5 fewer... (answered by josmiceli)
A cable hangs in the form of a branch of a hyperbola between two poles that are 20 meters (answered by greenestamps)
A cable hangs in the form of a branch of a hyperbola between two poles that are 20 meters (answered by ikleyn)
A cable hangs in the form of a branch of a hyperbola between two poles that are 20 meters (answered by ikleyn)
A cable hangs in the form of a branch of a hyperbola between two poles that are 20 meters (answered by ikleyn)
A stack of telephone poles has 30 poles in the bottom row. There are 29 poles in the... (answered by ewatrrr)
electric poles are fitted at a distance of 20 meters from each other on both sides of a... (answered by ikleyn)