I would just round up to 200 and then subtract twelve or just subtract 200 what ever way u prefer.
Answer:
301.59
Step-by-step explanation:
your answer was almost right you just forgot to multiply by 9
45 90
/ \ / \
5 9 45 2
/ \ / \
3 3 5 9
5x3x3 / \
3 3
2x5x3x3
Answer:

Step-by-step explanation:
To isolate r, we're going to need to do some algebraic manipulation.

Multiply both sides by r:

Divide both sides by a:

Hope this helps!
1. B<span>lue
2. 18 units
3. 3 students
4. </span><span>36.75 lbs</span>