0.9 of Seth's money is equal to 70% of Billy's money. What is the ratio of Seth's money to Billy's money?
0.9 of Seth's money = 910 of Seth's money
70% of Billy's money =
70100 of Billy's money =
710 of Billy's money
910 Seth's money is the same as
710 Billy's money. Make the numerators the same. LCM of 9 and 7 is 63.
9 x 710 x 7 of Seth's money =
7 x 910 x 9 of Billy's money
6370 of Seth's money =
6390 of Billy's money
Seth's money : Billy's money
70 : 90
(÷10)7 : 9
Answer(s): 7 : 9