0.7 of Luke's money is equal to 90% of Oliver's money. What is the ratio of Luke's money to Oliver's money?
0.7 of Luke's money = 710 of Luke's money
90% of Oliver's money =
90100 of Oliver's money =
910 of Oliver's money
710 Luke's money is the same as
910 Oliver's money. Make the numerators the same. LCM of 7 and 9 is 63.
7 x 910 x 9 of Luke's money =
9 x 710 x 7 of Oliver's money
6390 of Luke's money =
6370 of Oliver's money
Luke's money : Oliver's money
90 : 70
(÷10)9 : 7
Answer(s): 9 : 7