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