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