Question: There was only enough room for 21 people on a raft if no one wore life jackets. There were 7 fewer people who could fit on the raft if everyone wore life jackets. If 8 people on the raft needed life jackets, how many people could fit on the raft?
Answer: Step-by-step reasoning process: If everyone wore life jackets, only 21 - 7 = 14 people could fit on the raft. For every person less on the raft, 14 / 7 = 2 life jackets could fit. For 8 life jackets, 8 / 2 = 4 less people could fit. 21 - 4 = 17 people could fit on the raft.
So the answer is 17.

Question: Ral is twice as old as Suri. In 3 years, Suri's current age will be 16. What is Ral's current age?
Answer: Step-by-step reasoning process: If Suri will be 16 in 3 years, that means she is 16 - 3 = 13 years old now. Rai is twice as old as Suri, so she is 2 * 13 = 26 years old now.
So the answer is 26.

Question: A park warden has issued 24 citations over the past three hours. He issued the same number for littering as he did for off-leash dogs, and he issued double the number of other citations for parking fines. How many littering citations did the warden issue?
Answer: Step-by-step reasoning process: Let L be the number of littering citations the warden issued. He issued 2L citations for littering and off - leash dogs, and 2 * 2L = 4L citations for parking fines. In all, he issued 2L + 4L = 6L = 24 citations. Thus, he issued L = 24 / 6 = 4 citations for littering.
So the answer is 4.

Question: A fast-food chain offers free delivery for a minimum purchase of $18. Danny ordered 2 quarter-pounder burgers for $3.20 each, 2 large fries that cost $1.90 each, and 2 milkshakes that cost $2.40 each. How much more worth of food should he order to avail of the free delivery?
Answer:
Step-by-step reasoning process: Two quarter - pounder burgers cost $3.20 x 2 = $6.40. Two large fries cost $1.90 x 2 = $3.80. Two milkshakes cost $2.40 x 2 = $4.80. The total amount spent for the burgers, fries, and shakes is $6.40 + $3.80 + $4.80 = $15. Therefore, he should order $18 - $15 = $3 worth of additional food to take advantage of the free food delivery.
So the answer is 3.