Question

Marvin used a customary unit of measure to estimate the weight of a watermelon he grew in his backyard what could the estimated weight be

Answer 1

Usually pounds (lb) .About an an average of 20 to 25 pounds (lbs)

Explanation:

Since Marvin uses Customary units, and considering the Watermelon.

Pounds, He could estimate based on average of 20 to 25 pounds.

He could choose another customary units, but it wouldn't be practical and unusual to say a watermelon of 160 quarters, also it would leave all the listeners without parameters.

So, definitely pounds.