0.9 of Billy's money is equal to 80% of Ken's money. What is the ratio of Ken's money to Billy's money?
0.9 of Billy's money = 910 of Billy's money
80% of Ken's money =
80100 of Ken's money =
45 of Ken's money
910 Billy's money is the same as
45 Ken's money. Make the numerators the same. LCM of 9 and 4 is 36.
9 x 410 x 4 of Billy's money =
4 x 95 x 9 of Ken's money
3640 of Billy's money =
3645 of Ken's money
Ken's money : Billy's money
45 : 40
(÷5)9 : 8
Answer(s): 9 : 8
