Resposta:
skate= R$ 75 R$68 R$7
patins= R$105 R$97 R$8
patinete= R$ 125 R$112 R$13
b) Carol economizou 28 reais.
c) skate= R$68 R$15
patins= R$97 R$21
patinete= R$112 R$13
d) Carol lucrou 59 reais
