0.9 of Mark's money is equal to 40% of Sam's money. What is the ratio of Sam's money to Mark's money?
0.9 of Mark's money = 910 of Mark's money
40% of Sam's money =
40100 of Sam's money =
25 of Sam's money
910 Mark's money is the same as
25 Sam's money. Make the numerators the same. LCM of 9 and 2 is 18.
9 x 210 x 2 of Mark's money =
2 x 95 x 9 of Sam's money
1820 of Mark's money =
1845 of Sam's money
Sam's money : Mark's money
45 : 20
(÷5)9 : 4
Answer(s): 9 : 4