The greatest number of robots: 74999
The least number of robots: 74499
Assuming that
is the amount of hours spent doing homework:
Plug in
for
,
That means that since a
value is the test score (because that's what the y-axis is labeled), your predicted test score is a
64.
Set up fractions and solve them
They are equivalent. combine like terms on the first one and 9x-4x+25 can be simplified to 5x+25.