Select the correct answer.
A civil engineer is designing a public parking lot for the new town hall. The number of cars in each row should be six less than the number of rows in the lot. The mayor has requested that the new lot should hold twice as many cars as the current parking lot, which has space for 56 cars.
Determine which equation the civil engineer can use to find the number of rows, x, he should include in the new parking lot.
A.
2x2 − 12x = 112
B.
x2 − 6x = 112
C.
x2 − 6 = 112
D.
6x2 − 56 = 112
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Answer:
the civil engineer can choose the third equation as per the data given
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Different countries use different poverty lines because
(a) The calorie requirement of different human races is different depending on their physical condition and dietary habits. Those races which have greater height and build require higher calories.
(b) The per capita income in different countries is also different i.e., per capita income is higher in developed countries as compared to developing countries.
(c) The standard of living of Western countries is higher than that of developing countries.
(d) The cost of essential items used in calculating poverty line is higher in the developed countries.
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