Question: Brett has 24 more blue marbles than red marbles. He has 5 times as many blue marbles as red marbles. How many red marbles does he have?
Answer: Let x be the number of red marbles. 5 * x = x + 24. 4 * x = 24. x = 6. The answer is 6.

Question: Alice was able to sell $2500 worth of gadgets. For this month, she expects to receive her monthly basic salary of $240 and a 2% commission from these sales. How much is she going to save this month if she usually saves 10% of her total earnings?
Answer: Alice will get $2500 x 2 / 100 = $50 from her commission. This month, she will receive a total of $240 + $50 = $290. Therefore, Alice will save $290 x 10 / 100 = $29 for this month. The answer is 29.

Question: Delores has some money. She buys a computer for $400 and a printer for $40. If she has $10 left, how much money, in dollars, did Delores have at first?
Answer: The computer and printer cost 400 + 40 = 440 dollars. Delores had 440 + 10 = 450 dollars at first. The answer is 450.

Question: Lily is going abroad on vacation with her family. Each of her 4 siblings is bringing 2 suitcases, and her parents are bringing 3 suitcases. Lily decides that there is already too much luggage and she won't be bringing any. How many suitcases is the entire family bringing on vacation?
Answer:
Her siblings have brought a total of 4 siblings * 2 suitcases each = 8 suitcases. Her parents have brought 2 parents * 3 suitcases each = 6 suitcases. This is a total of 8 + 6 = 14 suitcases. The answer is 14.