Question 155 points Solve the problem. A rectangular Persian carpet has a perime
ID: 3135990 • Letter: Q
Question
Question 155 points
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A rectangular Persian carpet has a perimeter of 220 inches. The length of the carpet is 28 in. more than the width. What are the dimensions of the carpet?
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Question 165 points
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A rectangular Persian carpet has a perimeter of 180 inches. The length of the carpet is 24 in. more than the width. What are the dimensions of the carpet?
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Question 175 points
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How many liters of a 10% alcohol solution must be mixed with 90 liters of a 60% solution to get a 30% solution?
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Question 185 points
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It is necessary to have a 40% antifreeze solution in the radiator of a certain car. The radiator now has 70 liters of 20% solution. How many liters of this should be drained and replaced with 100% antifreeze to get the desired strength?
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Question 195 points
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Mardi received an inheritance of $50,000. She invested part at 1.75% and deposited the remainder in tax-free bonds at 2%. Her total annual income from the investments was $900. Find the amount invested at 1.75%.
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Question 202 points
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Walt made an extra $10,000 last year from a part-time job. He invested part of the money at 2% and the rest at 3.75%. He made a total of $270.00 in interest. How much was invested at 3.75%?
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Question 212 points
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A person's emotional quotient (EQ) is found by multiplying emotional age by 100 and dividing by chronological age. Using this information, if a 21 yr old person has an EQ of 97 what is that person's emotional age?
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Question 222 points
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A computer company uses the linear model y = -21x + 13,082 to predict the decline in sales of a computer after it has been on the market more than one year. If x is the number of months after the first year and y is the number of computers sold during that month, how many computers will be sold 11 months after the first year?
Explanation / Answer
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