Problema Solution
Maggie and addison went shopping after christmas. Magge bought 4 pair of socks and 2 sweaters, and spent $60. Addison spent $75 on 1 pair of socks and 3 sweaters. Find the cost of one pair of socks. Find the cost of one sweater.
Answer provided by our tutors
4 pairs of socks
2 sweaters
= 60
1 pair of socks
3 sweaters
= 75
s= price of a pair of sock
w= price of a sweater
4s+2w=60
4(75-3w)+2w=60
300-12w+2w=60
-10=-240
w=20
s+3w=75
s=75-3w
Plug in w=20
s=75-3(20)
s=75-60
s= 15
A pair of socks = $15