In order to find the percentage of the money Juana spent while shopping, you must take the amount of money spent and divide it by the total amount of money.
$45 dollars spent divided by $50 dollars total will give you your fraction, in decimals:
First multiply 20 by .3 (30%) This will give you a product of 6. Subtract 6 from 20 (14) $14 added to $20 is equal to $34 Ramon spent $34 on the pullovers