Question

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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. 6x2 - 56 = 112
C. x2 - 6x = 112
D. x2 - 6 = 112

Answer 1

C.) x^2-6x=112

Explanation:

Answer 2

1. You have that:

- 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.

2. Keeping the information above on mind, you have the equation the civil engineer can use to find the number of rows that he should include in the new parking lot, is:

x: the number of rows.

x²-6x=112

The correct answer is the option C: C. x²-6x=112