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