Erika paid a total of $108 for a cardigan, a pair of socks and a pair of loafers. She spent ⁴₉ of her money on the pair of socks. The pair of loafers cost 5 times as much as the cardigan. How much more did she pay for the pair of loafers than the cardigan?
Amount that Erika paid for the pair of socks
= ⁴₉ x 108 
= $48

Amount that Erika left after buying the socks
= 108 - 48
= $60

Amount that Erika paid for the cardigan = 1 u
Amount that Erika paid for the loafers = 5 u

Total amount spent on the cardigan and the pair of loafers
= 1 u + 5 u
= 6 u

6 u = 60

1 u = 60 ÷ 6 = 10

Amount that Erika paid more for the pair of loafers than the cardigan
= 5 u - 1 u
= 4 u
= 4 x 10
= $40

Answer(s): $40