Answer:
20
Step-by-step explanation:
20 - 9 = 11
I hope this helps
The height could be 2 and the width 10 or the height could be 10 and the width could be 2.
So, first you would need to multiply 6 by $35.50, then take that number and add it to the $420 to get $633.00. Then you need to multiply $310.75 by 4. After take that $1243.00 and subtract $633.00 from it to get $610.00. So, the answer is: Broderick would need to add at least $610 to his account to cover his checks.