Question

calcule

25% de 70
45% de 1250
120% de 280
75% de 75

Answer 1

Olá...

a) 25% de 70

100%-------70

25%--------x

100x = 1750

x = 1750/100

x = 17,5

b) 45% de 1250

100%-----1250

45%-------x

100x = 56250

x = 56250/100

x = 562,5

c) 120% de 280

100%------280

120% -----x

100x = 33600

x = 33600/100

x = 336

d) 75% de 75

100%-----75

75%-----x

100x = 5625

x = 5625/100

x = 56,25

Espero ter ajudado