1.I have only $10 and $20 bills in my pocket.There are three times as many $20 bills than $10 bills.I have a total of $490.How many $20 bills do I have?

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1.I have only $10 and $20 bills in my pocket.There are three times as many $20 bills than $10 bills.I have a total of $490.How many $20 bills do I have?
1.I have only $10 and $20 bills in my pocket.
There are three times as many $20 bills than $10 bills.I have a total of $490.How many $20 bills do I have?

1.I have only $10 and $20 bills in my pocket.There are three times as many $20 bills than $10 bills.I have a total of $490.How many $20 bills do I have?
You have 21 $20 bills.

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