Hey there I see you need help well that's why I am here for a square the one side could be 6 or for a rectangle the l vould be 6 and the W could be 4 or 8 and 3 or lastly 12 and 2 hope this helps
Answer:
20
Step-by-step explanation:
1) 5 feet is 60 inches
2)Divide 60 inches (total inches in one stack) by the 3 inches ( inches in the Average book)
3) 60/3=<u>20</u>
It's b. You have to times $4 by 6 to get $24. Then you take it away from $30 to get the change so $6