Question

......% de 630=63
......% de 100=40
......% de 80=24​

Answer 1

Respuesta:

x% de 630 = 63

x·630/100 = 63

x= 63·100/630

x = 10

x% de 100 = 40

x·100/100 = 40

x = 40

x% de 80 = 24​

x·80/100 = 24

x = 24·100/80

x = 30