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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?
Do they have the same formula?
... 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?