It's easy you do 24 times 5 and then find out the service charge by dividing ratios between the meal and parties and then add 6$ to your total!
I guess you want to calculate the value of e. If so then:
-8.e = 4 . Divide both sides by 4:
-2.e = 1. Divide both sides by 2:
-e = 1/2. Multiply both sides with (-):
e = - 1/2
We have been asked to find the solution of

The trend line simply means a line that's drawn over pivot to show the prevailing direction of price.
<h3>What is a trend line equation?</h3>
Your information is incomplete. Therefore, an overview will be given.
The trend line simply means a line that's drawn over pivot to show the prevailing direction of price.
It should be noted that trend lines are use for making trading decisions.
Learn more about trend line on:.
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