Emilia bought four pairs of socks and three DVDs the DVDs were originally priced at $15 but we’re marketed down by seven dollars and each pair socks cost two dollars which expression shows the total amount of Emilia will have to pay before tax 

Emilia bought four pairs of socks and three DVDs the DVDs were originally priced at 15 but were marketed down by seven dollars and each pair socks cost two doll class=