12r - 4r = 48 what does r equal

9 answers

12r - 4r = 48

8r = 48
r = 48/8
r = ?
what is 12r - 4r = 48 what does r equals ? I don't understand. does r=8? This is hard for me.
thanks Ms sue
No.

r does not equal 8

8r = 48 means that some number times 8 = 48

What number times 8 = 48?

We divide 48 by 8 to find the value of r.
on my lesson it shows 12r - 4r = 48 r= me and my grandmother can't get the answer.
would the answer be r=48
Shania.

12r - 4r = 8r. Right?

What is 48 divided by 8?
mrs. Thompson is putting new tile on her bathroom floor. Each tile measures 2 inches on each side. The bathroom floor is 3 feet long and 2 feet wide. How many tiles will she use to cover the entire floor.
Answer would actually be 6
Answer would actually be 6 because 48 divided by 8 is 6