Question

Resolva cada item:

a) 90% de R$ 105,00 = R$ ________
b) 35% de R$ ________ = R$ 28,00
c) ________ % de R$ 250,00 = R$ 75,00
d) 1% de R$ 725,00 = R$ ________

VCS PODEM ME AJUDAR?

Answer 1

a)
90% = 90 . 105/100
90% = 9450/100
90% = R$94,50

b)
28 = 35 . x /100
28 . 100 = 35x
2800/35 = x
R$80,00 = x

c)
75 = x . 250/100
75 . 100 = 250x
7500/250 = x
30% = x

d)
1% = 725 . 1/100
1% = R$7,25