Question

Determine a razão (na ordem dada) entre:a) 3/10 = x/15 b) 10+x/x = 15/10

Answer 1

a)3/10=x/15

10x=3(15) a)resposta:3/10=9/30

10x=45

x=45/10

x=9/2

b)10+x/x=15/10]

15x=10(10+x)

15x=100+10x b)resposta:30/20=15/10

15x-10x=100

5x=100

x=100/5

x=20