Question

ALGUÉM ME AJUDA POR FAVOR

Answer 1

a) x=20  y = 60

b) 3 x 20 = R$60,00  2 x 60 = R$120,00  = R$180,00

c) 4 x 20 = R$ 80,00  R$ 60,00    =R$140,00

Answer 2

$\boxed{v = \textsf{valor}\textsf{; } x = \textsf{camisas}\textsf{; } y = \textsf{cal\c{c}as}}$

a)

$v = 20x +60y$

b)

$v = 20x +60y\\v = 20\times3 +60\times2\\v = 60 + 120\\v = \textsf{R\ }180$

c)

$v = 20x +60y\\v = 20\times4 +60\times1\\v = 80 + 60\\v =\textsf{R\ } 140$