0.1 of Wesley's money is equal to 90% of Riordan's money. What is the ratio of Riordan's money to Wesley's money?
0.1 of Wesley's money = 110 of Wesley's money
90% of Riordan's money =
90100 of Riordan's money =
910 of Riordan's money
110 Wesley's money is the same as
910 Riordan's money. Make the numerators the same. LCM of 1 and 9 is 9.
1 x 910 x 9 of Wesley's money =
9 x 110 x 1 of Riordan's money
990 of Wesley's money =
910 of Riordan's money
Riordan's money : Wesley's money
10 : 90
(÷10)1 : 9
Answer(s): 1 : 9