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