What is the slope of the line for the cost of subs at Sam’s Sub Shop?
Sam's Sub Shop
Cost
$11
$22
$44
Subs
2 subs
4 subs
8 subs
A. two over eleven
B. 5.5
C. 1/5.5
D. 5
To find the slope of the line, we need to calculate the change in cost divided by the change in the number of subs.
From 2 subs to 4 subs, the cost increased from $11 to $22, a change of $22 - $11 = $11.
From 4 subs to 8 subs, the cost increased from $22 to $44, a change of $44 - $22 = $22.
So the total change in cost is $11 + $22 = $33, and the total change in the number of subs is 8 - 2 = 6.
Therefore, the slope of the line would be:
$33/6 = 5.5
So the answer is B. 5.5.