m ≤ 3100
1) Since Hippos can weigh up to 5,300 pounds then we can write
≤ 5300
A Baby hippo's = 2,200
2) So we can write
2200 + m ≤ 5300 Subtract 2200
m ≤ 5300 -2200
m ≤ 3100
3) So the baby hippo can gain up to 3100 pounds, under these conditions.