0.9 of Ivan's money is equal to 30% of Cole's money. What is the ratio of Cole's money to Ivan's money?
0.9 of Ivan's money = 910 of Ivan's money
30% of Cole's money =
30100 of Cole's money =
310 of Cole's money
910 Ivan's money is the same as
310 Cole's money. Make the numerators the same. LCM of 9 and 3 is 9.
9 x 110 x 1 of Ivan's money =
3 x 310 x 3 of Cole's money
910 of Ivan's money =
930 of Cole's money
Cole's money : Ivan's money
30 : 10
(÷10)3 : 1
Answer(s): 3 : 1