Ask them to first estimate the quotient and then to find the actual
Take the numbers to one side
Use gradient formula, rise over run.
y2-y1/x2-x1
There really isn't a right or wrong answer since this is a prediction but to solve this look at the graph and try to see the pattern
There are 24 hours in one day. when you count from 1-24, (1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24) the number 7 shows up twice