[Question]Jay bought a book for $25, a pen for $4, and a ruler for $1. He paid with a fifty-dollar bill. How much change, in dollars, did Jay get?
[Answer]Jay spent 25 + 4 + 1 = 30 dollars. He received 50 - 30 = 20 dollars in change. The answer is 20.

[Question]On a moonless night, three fireflies danced in the evening breeze. They were joined by four less than a dozen more fireflies, before two of the fireflies flew away. How many fireflies remained?
[Answer]Four less than a dozen is 12 - 4 = 8. The three fireflies were joined by four less than a dozen more fireflies, for a total of 3 + 8 = 11 fireflies. Two flew away, leaving 11 - 2 = 9 fireflies remaining. The answer is 9.

[Question]On a quiz, Nicole answered 3 fewer questions correctly than Kim, and Kim answered 8 more questions correctly than Cherry. If Nicole answered 22 correctly, how many did Cherry answer correctly?
[Answer]Kim answered 22 + 3 = 25 questions correctly. Cherry answered 25 - 8 = 17 questions correctly. The answer is 17.

[Question]If Clover goes for a 1.5-mile walk in the morning and another 1.5-mile walk in the evening, every day, how many miles does he walk in 30 days?
[Answer]
He walks 1.5 miles in the morning and 1.5 miles in the evening so that’s 1.5 + 1.5 = 3 miles. If he walks 3 miles everyday, for 30 days then he walks 3 * 30 = 90 miles in 30 days. The answer is 90.