Question

hi all! Please help me with this math problem! I will give you a shiny medal :) and please give detailed instructions, thanks.

If 2/3 is 1/2 of 4/5 of a certain number, then that number is ??

Answer 1

5/3

Answer 2

1/2(4/5)x = 2/3
4/10x = 2/3
x = 2/3 x 10/4
x = 20/12
x = 5/3

Answer 3

ooh I see, so you multiplied 1/2(4/5)x you put the x there to be the unknown number right? and made it equal to 2/3? then divided 2/3 with 4/10 to get x alone then?

Answer 4

yes

Answer 5

oh my gosh, thank you so much! I see now, I was working backwards and didn't think we had to make it equal to 2/3

Answer 6

yup no problem gl

Answer 7

thank you :D

Answer 8

You're welcome