T = # of hours
Make inequality: 6.6t + 41 < 87.2
Subtraction: 6.6t < 46.2
Divide: t < 7
That means that the chemistry club can use the meeting room for less than 7 hours.
Fuel constraint:
.. 3300P +5700S ≥ 94500
Time constraint:
.. 75P +130S ≥ 2400
Answer:
Step-by-step explanation:
A.
Take the as together and take the bs together.
5a + 3b - 6a - b.
5a - 6a + 3b - b. Then simplify.
-a + 2b.
That's it.