Question

70% de 70

60% de 40

60% de 20

90% de 50

me ajude preciso de contas

Answer 1

(70% . 70) / 100 = 
4900/100 = 49

(60% . 20) / 100 = 
1200 / 100 = 12

(90% . 50) / 100 = 
4500 / 100 = 45

Answer 2

70--------100% 20-------100% X---------70% x--------60% 100x=4900. 100x=1200 X=4900/100 X=1200/100 X=49 X=12 40--------100% 50----------100% X----------60% x ---------90% 100x=1000 100x=4500 X=1000/100 X=4500%100 X=10 X=45