Answer:
1. 10x + 40 = 50
2. 10x + 2 + 0.5 = 40
Explanation:
1. If bob's suitcase is 10lb. by itself then that is 10.
His limit of content and suitcase is 50lb.
His shirts weigh 0.5lb each.
His pants weigh 2lb each.
10x + 40 = 50
2. 10x + 2 + 0.5 = 40