0.7 of Cole's money is equal to 90% of Warren's money. What is the ratio of Cole's money to Warren's money?
0.7 of Cole's money = 710 of Cole's money
90% of Warren's money =
90100 of Warren's money =
910 of Warren's money
710 Cole's money is the same as
910 Warren's money. Make the numerators the same. LCM of 7 and 9 is 63.
7 x 910 x 9 of Cole's money =
9 x 710 x 7 of Warren's money
6390 of Cole's money =
6370 of Warren's money
Cole's money : Warren's money
90 : 70
(÷10)9 : 7
Answer(s): 9 : 7