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