Mustafa buys a fridge, a TV and a computer with a total budget of $1600. The TV costs $600 and the fridge costs $500 more than the computer. How much does the computer cost? Give the rationale and then the answer.
Let's think step by step. The fridge and computer cost 1600 - 600 = 1000 dollars. The computer cost (1000 - 500) / 2 = 250 dollars.. The answer is: 250.

There are 325 students in a local high school. 40 percent of the students have glasses, how many students do not have glasses? Give the rationale and then the answer.
Let's think step by step. People that do not have glasses 100% - 40% = 60%. 325(.10) = 32.5. 32.5 * 6 = 195 students.. The answer is: 195.

Tommy's mother lets him ride his bike 2 blocks north of his block, 3 blocks east, 2 blocks west, and 2 blocks south. His friend's father lets his friend ride his bike 80 square blocks. How many times greater is the area his friend can ride in compared to Tommy? Give the rationale and then the answer.

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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Let's think step by step. Tommy's area is 5 blocks wide because 3 + 2 = 5. His area is 4 blocks tall because 2 + 2 = 4. The total area is 20 square blocks because 5 x 4 = 20. His friend's area is 4 times bigger because 80 / 20 = 4.. The answer is: 4.