0.1 of Mark's money is equal to 70% of Ben's money. What is the ratio of Ben's money to Mark's money?
0.1 of Mark's money = 110 of Mark's money
70% of Ben's money =
70100 of Ben's money =
710 of Ben's money
110 Mark's money is the same as
710 Ben's money. Make the numerators the same. LCM of 1 and 7 is 7.
1 x 710 x 7 of Mark's money =
7 x 110 x 1 of Ben's money
770 of Mark's money =
710 of Ben's money
Ben's money : Mark's money
10 : 70
(÷10)1 : 7
Answer(s): 1 : 7