Question

quanto que é:

a)10%de68

b)25%de200

c)50%de250


d)75%de400​

Answer 1

regra de três

a)

10% 100

x 68

100x= 680

x= 680/100

x= 6,80

b)

25% 100

x 200

100x= 5.000

x= 5.000/ 100

x= 50

c)

50% 100

x 250

100x= 12.500

x= 12.500/ 100

x= 125

d)

75% 100

x 400

100x= 30.000

x= 30.000/100

x= 300