Question

Por favor me ajudem

Answer 1

a) 50%

b) 1/4

c)10%

d)1/100

e)20%

a)160----100%

x---------35%

multiplica cruzado

x=35.160/100

x=21

b) 230----100%

x----------90

x=90.230/100

x=207

c)2500-----100

x------------34

x=2500.34/100

x=850

d) 130-----100%

x----------8

x=130.8/100

x=10,4

e)300------100

x-------------40

x=120

120-----100%

x ----------17%

x=20,4

f)700-----100%

x-----------15

x= 105

g) 200 ???

h)700-----100%

x----------31%

x=217

Espero ter ajudado