4.5 is equal to k. This is the answer .
10/100=0.1
1/4=0.25
0.1*0.25=0.025
C. Buying it a percent discount without sales tax.
Because of not having to pay $10, so it is awesome.
Answer:

Step-by-step explanation:
<u>Step 1: Make an expression</u>
45% of 156 is what number

<u>Step 2: Multiply</u>
<u />

Answer: 