Mike is 3 years old. Joe is 6 times as old as mike. how old is joe?

Joe is 18

Step-by-step explanation:

represent mike as m, so m=3 and joe as j,

If Joe is 6 times as old as mike then j = 6(m)

Plug in for m=3 so you get j= 6(3)

Simplify: J= 18

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

or