Deirdre is buying plastic mugs to send to her cousin. She made a table of the various heights of stacks of different numbers of mugs.

Question

Number of Plastics Mugs Stack Height (in inches)
1 6
2 6.75
3 7.5
4 8.25
5 9
6 9.75
Which equation represents the height, h, of a stack of mugs in terms of the number of mugs, t, in the stack?

A. H= 6+ 0.75 (T - 1)
B. H= 6+ 0.75T
C. H= 0.75 + T(T- 1)
D. H= 0.75+ T- 6

Answer 1

Number of Plastics Mugs
1
2
3
4
6
Stack Height (in inches)
6
6.75
7.5
8.25
9
9.75

Answer 2

clearly the slope is 0.75, so only A and B are possible.