Part A:
23 + 13x ≤ 81
Part B:
23 + 13x ≤ 81
<u>-23 </u> <u>-23</u>
13x ≤ 58
<u>/13 </u> <u>/13</u>
x ≤ 4.46
Part C:
This means that you can have 4 cheeseburgers while keeping the fat under 81 grams.
It will take 3 men 20 days to complete the job.
64 - (13 - 7) = 64 - 6 = 58
37
Line up the data, separate into quarters
Take the highest number in the 3rd quarter from the lowest in the 2nd