The task is to generate the correct answer for a given math problem.

Problem: if each side of a square is increased by 20 % , find the percentage change in its area ?
44 %

Problem: james took a 3 - hour bike ride . in the second hour he travlled 12 miles , which was 20 percent farther than he traveled the first hour . if he traveled 25 percent farther in the third hour than he did in the second hour , how many miles did jose travel during the entire ride ?
37.0

Problem: jacob is 16 years old . he is 2 times as old as his brother . how old will jacob be when he is twice as old ?

2