Answer: $13
Step-by-step explanation:
Given: The cost of two rolls of paper towel = $1
The cost of a box of diapers = $3
Then, the cost of two boxes of diapers =@@MATH_TOKEN_0@@
Now, the total cost of two rolls of paper towel and 2 boxes of diapers is given by :-
@@MATH_TOKEN_1@@
The amount will get as change from a 20 dollar bill=@@MATH_TOKEN_2@@
Hence, the she will get $13 as change from a 20 dollar bill.