15/100=0.15
60*0.15=9
60-9=$52 after discount
<h2>
Explanation:</h2>
Here we have the following expression:

So we need to extend this. Remember that the difference of squares tells us:

So here:

Thus:

1 hour = 60 min
0.5 hours = 60 * 0.5 = 30 min.
Answer:
x=-13 The solution is in the picture above. if you need more solutions let me know. :)
Answer:
centriod
Step-by-step explanation:
of triiangle