Question

The city is building a parking lot for a new office building. The expression to represent the number of parking spots in the new parking lot is ....., where x represents the number of parking spots in the first row. Use the order of operations to find out how many parking spots are in the parking lot if there are 30 parking spots in the first row.

9

24

69

144

Answer 1

69

Explanation:

Answer 2

C. 69

Explanation:

We have,

The expression to represent the number of parking lots =
`(5x)/(2)-6`,

where x is the number of parking spots in the first row.

Now, it is given that the there are 30 parking spots in the first row.

Thus, the total number of parking lots =
`(5* 30)/(2)-6` = (5×15)-6 = 75-6 = 69.

Hence, the total number of parking lots is 69.