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