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