1 pound = 16 ounces.
sal
Bought 5 at 5 ounces each for a total
Weight of 25 ounces which is 1.4625 pounds
He paid 0.49 per pound:
1.5625 x 0.49 = 0.765 total round to $0.77
Sal spent $0.77 on the 5 bananas which is less than what Brianna spent so Sal for the better buy