John needs to get a new seeing-eye dog. The adoption fee cost $150 for an untrained dog. It then takes 12 weeks of training which costs $250 a week. After the training, she needs certification which costs $3000 but her insurance covers 90% of that. What is her out-of-pocket cost? Give the rationale and then the answer.
Let's think step by step. The training cost 250 * 12 = $3000. The insurance pays for 3000 * .9 = $2700 for certification. That means she needs to pay 3000 - 2700 = $300. So her total cost was 150 + 300 + 3000 = $3450.. The answer is: 3450.

Sasha can complete 15 questions an hour. If she has 60 questions to complete and she works for 2 hours, how many questions does she still need to complete? Give the rationale and then the answer.
Let's think step by step. Sasha completes 15 questions / hour * 2 hours = 30 questions. This means there are still 60 questions – 30 questions = 30 questions left to complete.. The answer is: 30.

A soccer team had 24 players prepared for a soccer game. The first half saw 11 players start the game with 2 substitutions made. In the second half, the team made twice as many substitutions as it made in the first half. How many players on the team did not play that day? Give the rationale and then the answer.
Let's think step by step. With two substitutions, 11 + 2 = 13 players from the team played the game in the first half. In the second half, the team made twice the number of substitutions it made in the first half, a total of 2 * 2 = 4 substitutions. The total number of players who played the game is 13 + 4 = 17. If the soccer team had 24 players prepared for the soccer game, the number of players who did not play the game is 24 - 17 = 7 players.. The answer is: 7.