0.9 of Ethan's money is equal to 50% of Ryan's money. What is the ratio of Ethan's money to Ryan's money?
0.9 of Ethan's money = 910 of Ethan's money
50% of Ryan's money =
50100 of Ryan's money =
12 of Ryan's money
910 Ethan's money is the same as
12 Ryan's money. Make the numerators the same. LCM of 9 and 1 is 9.
9 x 110 x 1 of Ethan's money =
1 x 92 x 9 of Ryan's money
910 of Ethan's money =
918 of Ryan's money
Ethan's money : Ryan's money
10 : 18
(÷2)5 : 9
Answer(s): 5 : 9