A sporting goods store sells sets of golf clubs with steel shafts for $309. Sets of golf clubs with graphite shafts cost $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? Set up and solve a system of equations to find the answer.

Question

justus · Answer

Hello there.

Let's put s for steal and g is for graphite

So we have s+g=11 and 309s+489g=4299

Now we solve for g

g=11-s then this gives us

309s+489(11-s)=4299

309s+5379-489s=4299

-180s+5379=4299

-180s=-1080

s=6

g=5

justus · Answer

Also s is 6 since s+g+11