Question

por favor, me ajude.


A) 20% de 500

B)70% de 2,000

C)450% de 3,000

D)65% de 400


só isso.

Answer 1

A-$500* \frac{20}{100} = 100$

B- $2000* \frac{70}{100} = 1400$

C- $3000* \frac{450}{100} = 13500$

D- $400* \frac{65}{100} = 260$

Answer 2

A) 20% de 500 

20     .  500    =  20.5   = 100
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 100

¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨
B) 70% de 2000

 70  .  2000    =  70.20 = 1400
-----
 100

¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨
C)
450% de 3000

450     .  3000   = 450.30 =  13500
--------
 100

¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨
D)
65% de 400

 65   .  400   = 65.4 =  260
-----
 100