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