Come up with a question and reasoning that would justify this answer: 33
Question and rationale: The question is: Jonathan's full name contains 8 letters for the first name and 10 letters for the surname. His sister's name has 5 letters for the first name and 10 letters for the second name. What's the total number of letters in their names?
Step-by-step reasoning process: Jonathan has 8 + 10 = 18 letters in his name. His sister has 5 + 10 = 15 letters in her name. The total number of letters in their names is 18 + 15 = 33.

Come up with a question and reasoning that would justify this answer: 480
Question and rationale: The question is: Donna bought 3 times as many pencils as Marcia did. Marcia bought double the number of pencils as Cindi did. How many pencils did Donna and Marcia buy altogether if Cindi spent $30 on $0.50 pencils?
Step-by-step reasoning process: Cindi bought 30 / 0.50 = 60 pencils. Marcia bought 2 * 60 = 120 pencils. Donna bought 3 * 120 = 360 pencils. Altogether, Donna and Marcia bought 120 + 360 = 480 pencils.

Come up with a question and reasoning that would justify this answer: 45
Question and rationale: The question is: Toms car gets 50 miles to the gallon. He drives 75 miles per day. If gas is $3 per gallon how much does he spend on gas in 10 days?
Step-by-step reasoning process: He drives 75 * 10 = 750 miles. So he uses 750 / 50 = 15 gallons. That means he spends 15 * 3 = $45 on gas.

Come up with a question and reasoning that would justify this answer: 18
Question and rationale:
The question is: A kilogram of pork costs $6 while a kilogram of chicken costs $2 less. How much will a 3-kilogram of chicken and a kilogram of pork cost?
Step-by-step reasoning process: A kilogram of chicken costs $6 - $2 = $4. Three kilograms of chicken cost $4 x 3 = $12. So, a 3 - kilogram of chicken and a kilogram of pork cost $12 + $6 = $18.