An artist uses 60 pounds of clay to make 80 bowls. The ratio of pounds of clay she uses to the number of bowls she makes is a proportional relationship. Select all the true statements.

With the given information we can find the unit rate at least

We know that the artist used 60 pounds of clay to make 80 bowls. If we divide those magnitudes, we would find the total number of pounds per bowl.

Therefore, the artist used 0.75 pounds per bowl.

We can also express the proportional relationship as

Which indicates that the total number of pounds of clay represents 75% of the total number of bowls, that's the relation.

the answer is d. 75%