Question

caucule: a) 20% de 550 b) 48% de 400 c) 40% de 700 d) 2% de 870

Answer 1

A)
20/100 × 550 =
11000/100 = 110
R = 110

B) 48% de 400 =
48/100 × 400 =
19200/100 = 192
R = 192

C)40% de 700 =
40/100 × 700=
28000/100 =280
R = 280

D) 2% de 870 =
2/100 × 870 =
1740/100 = 17.4
R = 17.4

Bons estudos! ♡

Answer 2

a) 100% ---- 550
20% ----- x
10x= 110
x= 11
b) 100% ---- 400
48% ----- x
10x= 1920
x= 192
c) 100% ----- 700
40% ---- x
x= 280
d) 100% ---- 870
2% ------ x
10x= 174
x= 17,4