5:15 and x:3

a.5
b.3

c.1

8 answers

5:15 = x:3

Cross multiply and solve for x.

I'll be glad to check your answer.
so what i multiply
Multiply:
5 * 3
15 * x

15x = 15
i don't get it
5 time 3 15
and 15?
so its 3
x = 15/15

x = 1
okay help me
Huh?? I told you the answer? What more do you want????