1a. x/20=52,5/75= 14

1b. 13/16=x/100= 81.25

1c. 18/25=1/x= 1.38

1d. 25/18=1/x= .72

5 answers

I think you have a typo in 1 a.

1b. OK

1c. 1c. 18/25=1/x= 1.38888888 = 1.39

1d. OK
1a. x/20=52.5/75=14
Right.
Thanks
You're welcome.