Question

Quanto é:

15% de 650

22% de 98

17,8% de 160

33% de 1500

0,8% de 12

Answer 1

a)650 ---------- 100%
    X                  15%

100x = 650.15
100x = 9750
x = 9750/100
x = 97,5.

b) 98  ------------ 100%
     x                    22%

100x = 98.22
100x = 2156
x = 2156/100
x = 21,56.

c) 1500 --------------- 100%
      x                          33%

100x = 1500.33
100x = 49500
x = 49500/100
x = 495.

d) 160 -------------- 100%
      x                     17,8

100x = 160.17,8
100x = 2848
x = 2848/100
x = 28,48.

e) 12 ------------ 100%
     x                   0,8

100x = 12.0,8
100x = 9,6
x = 9,6/100
x = 0,096.

Answer 2

(15/100) x 650= 97,5..... (22/100) x 98= 21,56.... (17,8/100) x 160= 28,48.... (33/100) x 1500= 495 ..... (8/100) x 12= 0,96