720 : d = 20 k + 60 =2000 : 8

Question

720 : d = 20

k + 60 =2000 : 8

Answer 1

720:d=20
d=720:20
d=36

k+60=2000:8
k+60=250
k=250-60
k=190
Enjoy!

Answer 2

D=720:20=36 k=2000:8-60=190