0.1 of David's money is equal to 30% of Peter's money. What is the ratio of David's money to Peter's money?
0.1 of David's money = 110 of David's money
30% of Peter's money =
30100 of Peter's money =
310 of Peter's money
110 David's money is the same as
310 Peter's money. Make the numerators the same. LCM of 1 and 3 is 3.
1 x 310 x 3 of David's money =
3 x 110 x 1 of Peter's money
330 of David's money =
310 of Peter's money
David's money : Peter's money
30 : 10
(÷10)3 : 1
Answer(s): 3 : 1