Answer:
Step-by-step explanation:
The total they want to raise is $2,400 if that is what you're asking?
Answer:
So, the step1 is correct.
Step-by-step explanation:
The expression is

So, the step 1 is correct.
Answer:
3.17
Step-by-step explanation:
0.45x + 0.72 + 5x = 18
5.45x = 17.28
x = 3.17
Answer:

Step-by-step explanation:
If you add a number that is negative, you are basically subtracting it.
This means that

Since they both have the same denominator, you can easily subtract the fractions: 
<span>✡ Answer: 9000 </span><span>✡
- - Solve:
If your 3 numbers to the right (in this problem its 3) are 499 or less, you round down, if its 500 or up, you round up.
In this case, round up.
- - Solve furthermore:
9000
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✡Hope this helps<span>✡</span>