Answer:
15 g protein in 40 g bar has more protein/per g of bar
Step-by-step explanation:
15 g protein/ 40 g = 3/8 protein/g
20 g protein/ 60 g = 1/3 protein/g
We need to compare 3/8 and 1/3.
3/8 = 3*3/3*8 = 9/24
1/3 = 1*8/3*8 = 8/24
9/24 > 8/24, so 3/8 > 1/3