0.1 of Ahmad's money is equal to 70% of Bobby's money. What is the ratio of Bobby's money to Ahmad's money?
0.1 of Ahmad's money = 110 of Ahmad's money
70% of Bobby's money =
70100 of Bobby's money =
710 of Bobby's money
110 Ahmad's money is the same as
710 Bobby's money. Make the numerators the same. LCM of 1 and 7 is 7.
1 x 710 x 7 of Ahmad's money =
7 x 110 x 1 of Bobby's money
770 of Ahmad's money =
710 of Bobby's money
Bobby's money : Ahmad's money
10 : 70
(÷10)1 : 7
Answer(s): 1 : 7