Question

1)calcule a quantia da qual

a)RS42,00 representa 5%

b)RS280,00 representa 5,5%

preciso dos calculos

Answer 1

Oi !
A) 45 ____ 5%
x _____ 100%
5x = 4500
x = 4500/5
x = 900

B) 280 _____ 5,5%
x _______ 100%
5,5x = 28.000
x = 28.000/5,5

Espero ter Ajudado !

Answer 2

42/1 X 5/100 = 200/100= 2/1
 280/1 x 5,5/100= 1540/100= 154/10 :2  77/5