0.1 of Mark's money is equal to 40% of Bobby's money. What is the ratio of Mark's money to Bobby's money?
0.1 of Mark's money = 110 of Mark's money
40% of Bobby's money =
40100 of Bobby's money =
25 of Bobby's money
110 Mark's money is the same as
25 Bobby's money. Make the numerators the same. LCM of 1 and 2 is 2.
1 x 210 x 2 of Mark's money =
2 x 15 x 1 of Bobby's money
220 of Mark's money =
25 of Bobby's money
Mark's money : Bobby's money
20 : 5
(÷5)4 : 1
Answer(s): 4 : 1