0.7 of Ian's money is equal to 30% of Carl's money. What is the ratio of Carl's money to Ian's money?
0.7 of Ian's money = 710 of Ian's money
30% of Carl's money =
30100 of Carl's money =
310 of Carl's money
710 Ian's money is the same as
310 Carl's money. Make the numerators the same. LCM of 7 and 3 is 21.
7 x 310 x 3 of Ian's money =
3 x 710 x 7 of Carl's money
2130 of Ian's money =
2170 of Carl's money
Carl's money : Ian's money
70 : 30
(÷10)7 : 3
Answer(s): 7 : 3