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