Question

Bob has some 10 lb weights and some 3 lb weights. Together, all his weights add up to 50 lb. If x represents the number of 3 lb weights and y represents the number of 10 lb weights, which equation can be used to find the number of each type of weight Bob has?

Answer 1

x + y = 50 lb

Explanation:

The x represents the 3 lb

The y represents the 10 lb

So the equation is x + y = 50