I am 100% sure it is A. I did the test and it showed it was A.
Please leave a thanks.
Answer:
(A) 21
Step-by-step explanation:
5x-15 needs to equal 90 since it is a right angle and 21 makes that true

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
Top image. If Keith carries 6, each square is worth 2. That means Sean carries 2. 6+2= 8 total bags.