Answer:
X=26
Step-by-step explanation:
The seats must be arranged in a 38 by 39 arrangement to have the minimum amount of seats used.
You can find this by finding the square root of 1450, which is 38.0788655293.
What is the length of the longest lead? 1 3/4
What is the length of the shortest lead? 1/4
What is the difference between the longest lead and the shortest lead? 1 1/2
What size lead did most students have? 1/2
What was the sum of the two shortest lead lengths? 3/4
What was the difference between the second shortest and the longest lead? 1/4
4m + 5
Remove the parenthesis and collect like terms
3m + m + 5 = (3m + m) + 5 = 4m + 5