0.9 of Mark's money is equal to 40% of Vincent's money. What is the ratio of Mark's money to Vincent's money?
0.9 of Mark's money = 910 of Mark's money
40% of Vincent's money =
40100 of Vincent's money =
25 of Vincent's money
910 Mark's money is the same as
25 Vincent'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 Vincent's money
1820 of Mark's money =
1845 of Vincent's money
Mark's money : Vincent's money
20 : 45
(÷5)4 : 9
Answer(s): 4 : 9