If you are looking to write an inequality equation that models this situation, then the answer would be: 
. The "at most" signals to use the less than or equal to sign.
Answer:
<h2><em><u>
11.2 - B to C
</u></em></h2><h2><em><u>
12 - B to A
</u></em></h2><h2><em><u>
8.8 - A to C
</u></em></h2>
You have to multiply all the sides by 4.
B to C = 2.8*4
2.8 * 4 = 11.2
B to A = 3*4
3*4 = 12
A to C = 2.2*4
2.2*4 = 8.8
Hope this helped!
If a number can be represented by a fraction, it is a rational number. So yes, 1815 is a rational number
First week :200$
2- 210$
3- 220.5$
4- 231.53$
5- 243.11$
6-255.27$
7- 268.03$
8-281.43 $
hope this helps
