0.7 of Tommy's money is equal to 40% of David's money. What is the ratio of David's money to Tommy's money?
0.7 of Tommy's money = 710 of Tommy's money
40% of David's money =
40100 of David's money =
25 of David's money
710 Tommy's money is the same as
25 David's money. Make the numerators the same. LCM of 7 and 2 is 14.
7 x 210 x 2 of Tommy's money =
2 x 75 x 7 of David's money
1420 of Tommy's money =
1435 of David's money
David's money : Tommy's money
35 : 20
(÷5)7 : 4
Answer(s): 7 : 4