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