Answer:
Each friendship bracelet needs 5.2 inches of string.
For 4 bracelets, she will need
inches
A) If Pamela has 20 inches of string, does she have enough to make bracelets for 4 of her friends?
No, because for each bracelet, she will have only
inches. But that is less as she needs 5.2 inches per bracelet.
B) She will need
inches more.
Hence, she will need 0.8 inches of string more to make 4 bracelets.