Question: John and his best friend Steve bought 12 cupcakes together. Each cupcake cost $1.50. If they split the costs evenly, how much did each person pay?
Answer: Step-by-step reasoning process: The total cost of cupcakes was 1.5 * 12 = $18. So they each paid 18 / 2 = $9.
So the answer is 9.

Question: Olaf has an aquarium. He has fish in 3 different colors: orange, green, and blue. Blue fish make up half of all the fish in the aquarium. There are 15 fewer orange fish than blue fish. How many green fish are there when the total number of fish in the aquarium is 80?
Answer: Step-by-step reasoning process: If there are 80 fish in total, then there are 80 fish / 2 = 40 blue fish. The orange fish count is 15 less than blue, so it's 40 fish - 15 fish = 25 fish. Olaf has then 80 fish - 25 fish - 40 fish = 15 green fish.
So the answer is 15.

Question: Elon has 10 more teslas than Sam who has half the number of teslas as Chris. Chris has 6 teslas. How many teslas does Elon have?
Answer: Step-by-step reasoning process: Sam has half the number of Chris: 6 / 2 = 3 teslas. Elon has 10 more than Sam: 10 + 3 = 13 teslas.
So the answer is 13.

Question: Two stores sell the same model of smartphone, but they offer it at different prices and with different discounts. Store A lists the smartphone at a full price of $125 and offers an additional discount of 8%. Store B lists the same smartphone for $130 and offers an additional discount of 10%. After both stores' discounts are applied, how much cheaper is store A's smartphone than store B's smartphone?
Answer:
Step-by-step reasoning process: Store A has a $125 x 8 / 100 = $10 discount. So the smartphone from store A will only cost $125 - $10 = $115. Store B has a $130 x 10 / 100 = $13 discount. So the smartphone from store B will only cost $130 - $13 = $117. Thus, store A's smartphone is $117 - $115 = $2 cheaper than that of store B.
So the answer is 2.