A sweater costs $15 and a scarf costs $5. You pay $105 for 9 sweaters and scarves combined. How many of each item did you purchase?
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OpenStudy (anonymous):
You need to set it up as a equation first
OpenStudy (acxbox22):
2 equations as a matter of fact
OpenStudy (anonymous):
so i already know that s could represent sweaters and f could represent scarves
OpenStudy (anonymous):
now how would i set the equations up.
OpenStudy (anonymous):
You have a total of what u paid in all which is 105
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OpenStudy (anonymous):
so 15s+5f=105?
OpenStudy (anonymous):
You cant use that equation cause they 9 also comes into play some how, try bumping the question lol sorry I thought i knew how but I dont.
OpenStudy (anonymous):
The guy earlier said you need to equtns. and he's right
OpenStudy (anonymous):
i know.
OpenStudy (anonymous):
sorry lol
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OpenStudy (anonymous):
@acxbox22
OpenStudy (anonymous):
@Purpleloverr its ok
OpenStudy (acxbox22):
let x=sweaters and y=scarves
x+y=9 since both combined she bought 9
and 15x+5y=105 to represent the costs and total cost
OpenStudy (anonymous):
ok. I know how to do the rest. Its just the equations that made me confused thanks.