Answer the following question, with explanation first.
Caleb has 3 dozen jellybeans. Sophie has half as many jellybeans as Caleb. How many jellybeans do they have in total?

54
Caleb has 3 x 12 = 36 jellybeans.

Sophie has 36 / 2 = 18 jellybeans.

Together, they have 36 + 18 = 54 jellybeans.

.

So, the answer is 54