Week 1: 2 1/2
week 2: 3
week 3: -1 1/4
week 4: 4 1/4
week 5: 1 1/4
week 6: -1 1/2
marcus is trying to gain weight for the upcoming wrestling season. his gains and losses (in pounds) each week are shown. how much weight did he gain over the six week period?
a) 7 1 2 pounds
b) 8 1 4 pounds
c) 11 pounds
d) 12 1 4 pounds