jdeggers99
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A sporting goods store sells sets of golf clubs with steel shafts fo $309. Sets of golf clubs with graphite shaftscost $489. Last month the store sold 11 sets of golf clubs for $4,299. How many sets of each type of golf club were sold? 

Answer :

309x+489(11-x)=4299
Solve for x
X=6 for 309

11-6=5 for 489

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