0.3 of Sam's money is equal to 90% of Charlie's money. What is the ratio of Sam's money to Charlie's money?
0.3 of Sam's money = 310 of Sam's money
90% of Charlie's money =
90100 of Charlie's money =
910 of Charlie's money
310 Sam's money is the same as
910 Charlie's money. Make the numerators the same. LCM of 3 and 9 is 9.
3 x 310 x 3 of Sam's money =
9 x 110 x 1 of Charlie's money
930 of Sam's money =
910 of Charlie's money
Sam's money : Charlie's money
30 : 10
(÷10)3 : 1
Answer(s): 3 : 1