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In a wallet the ratio of the number of 20s to the number of 10s was 2:5 if 1/3 of the 20s were spent
... and 12 10s were added there would be 1:4 of as many 20s as 10s how many bills were in the wallet at first
How many girls are there?
... respectively. If the ratio of their monthly savings is 3:4, what ...
If 25% of the boys left the computer club, the ratio of the number of boys who remained to the number of girls would ...
...Hannah receive last week?