A construction team gives an estimate of three months to repave a large stretch of a very busy road with their core crew of 15 people. The government responds that it is too much of an inconvenience to have this busy road obstructed for three months, so the job must be completed in one month. If the relationship between construction time and crew members is inversely proportional, how many crew members does the construction team need if they are to complete the job in one month?

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Q: If the rate per 100,000 is 189, then what is the actual number of people for a county whose…

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Q: A businesswoman wants to determine the difference between the costs of owning and leasing an…

A: Let's start by calculating the annual cost of leasing the car. Since the lease is $440 per month,…

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Q: Suppose a map of Texas has a scale of 0.5 inches: 100 miles. The ruler distance from Odessa to…

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A: From the given information we find the conclusion.

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A: Student takes 3 hours to complete 1st assignment . Next he takes 5% less time for the second…

Q: When I was learning how to drive, I was told that while driving on the freeway I should stay one car…

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Q: A manufacturer has a fixed cost of $10,000. If it costs the company $17,515 to produce 45 units, how…

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Q: 2. A modern jet plane can go 400 mph more than twice as fast as a diesel powered train. If the train…

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.