0.1 of Ahmad's money is equal to 90% of Zane's money. What is the ratio of Zane's money to Ahmad's money?
0.1 of Ahmad's money = 110 of Ahmad's money
90% of Zane's money =
90100 of Zane's money =
910 of Zane's money
110 Ahmad's money is the same as
910 Zane's money. Make the numerators the same. LCM of 1 and 9 is 9.
1 x 910 x 9 of Ahmad's money =
9 x 110 x 1 of Zane's money
990 of Ahmad's money =
910 of Zane's money
Zane's money : Ahmad's money
10 : 90
(÷10)1 : 9
Answer(s): 1 : 9