pls assist
Source: Anglo-Chinese School Primary
pls assist
Source: Anglo-Chinese School Primary
1 book cost $4 more than a pen
u number of books cost $112 – $48 = $64 more than u number of pens
u = 64 ÷ 4 = 16
16 books cost $112
1 book cost $112 ÷ 16 = $7