Step-by-step reasoning process: Barbara is currently 16 years / 2 = 8 years old. Mike is going to be 24 years old after 24 years - 16 years = 8 years. So Barbara is going to be 8 years + 8 years = 16 years old.
The question and answer:
Question and answer: Mike is 16 years old. His sister Barbara is half as old as he is. How old is Barbara going to be when Mike is 24 years old?
The answer is 16

Step-by-step reasoning process: 5 trays of jumbo shrimp cost 5 x 5 = $25. 5 pints of frozen yogurt and 2 packs of gum in total cost 55 - 25 = $30. 2 packs of gum cost as much 2 / 2 = 1 pint of frozen yogurt. Therefore 5 + 1 = 6 pints of frozen yogurt costs $30. A pint of frozen yogurt costs 30 / 6 = $5.
The question and answer:
Question and answer: Shannon bought 5 pints of frozen yogurt, two packs of chewing gum, and five trays of jumbo shrimp from The Food Place for a total of $55 If the price of a tray of jumbo shrimp is $5 and a pack of chewing gum costs half as much as a pint of frozen yogurt, what is the price of a pint of frozen yogurt?
The answer is 5

Step-by-step reasoning process: Carter is twice as tall as 24" dog so he is 2 * 24 = 48". Betty is 12" shorter than Carter so Betty is 48 - 12 = 36" tall. 12" is the same as 1 foot so Betty is 36 / 12 = 3 feet tall.
The question and answer:
Question and answer:
Carter is twice as tall as his 24" tall dog. Betty is 12" shorter than Carter. How tall is Betty in feet?
The answer is 3