Is that the entire question. If you're looking to find the unit price (how much you are being charged for on unit) you can divide 300 by 19 and you get 15.79, which I rounded to the nearest tenth
22047.3888. . . jfjfjfnfnf
Remember
ou can do anything to an equaiotn as long as you do it to both sides
try to isolate variable and get 1 of it
-6+5b=6b-7
subtract 5b from both sides
-6=b-7
add 7
1=b
Answer:
28/15
Step-by-step explanation:
Refer the attachments.
The number of ways when the choice is not relevant is 1716
<h3>How to determine the number of ways?</h3>
The number of letters are:
Letter, n = 13
The letter to choose are:
r = 6
<u>Relevant choice</u>
When the choice is relevant, we have:

This gives

Evaluate
Ways = 241235520
Hence, the number of ways when the choice is relevant is 1235520
<u>Not relevant choice</u>
When the choice is not relevant, we have:

This gives

Evaluate
Ways = 1716
Hence, the number of ways when the choice is not relevant is 1716
Read more about combination at:
brainly.com/question/11732255
#SPJ1