0.9 of Sean's money is equal to 30% of Mark's money. What is the ratio of Mark's money to Sean's money?
0.9 of Sean's money = 910 of Sean's money
30% of Mark's money =
30100 of Mark's money =
310 of Mark's money
910 Sean's money is the same as
310 Mark's money. Make the numerators the same. LCM of 9 and 3 is 9.
9 x 110 x 1 of Sean's money =
3 x 310 x 3 of Mark's money
910 of Sean's money =
930 of Mark's money
Mark's money : Sean's money
30 : 10
(÷10)3 : 1
Answer(s): 3 : 1