Solve this 18 ≤ −6x − 30
2 answers:
Answer:
x -8
Step-by-step explanation:
First I'm going to add 30 to both sides because I hate dealing with negative numbers, ESPECIALLY when it's on the side with x.
48 -6x
Great luck! 48 is a multiple of both 6 and -6 so we will simply divide both sides by positive 6
8 -x
We can NEVER keep x negative in these kinds of problems. GET OUTA HERE. Let's divide both sides by -1.
-8 x
Your teacher might want you to put the x on the left side. It's very common and important to do so:
x -8
Hope you have a good day and luck in finding good memes!
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17. (a) The formula with CP subject is
(b) The Cost Price of item without GST is $59.50
(c) The GST of item is $5.95
Step-by-step explanation:
Given formula is;
SP = 1.1 * CP
SP = Selling price
CP = Cost price
(a) Rearrange the formula to make CP the subject;
SP = 1.1 * CP
Dividing both sides by 1.1
The formula with CP subject is
(b) Use your formula from (a) to find the Cost Price of an item without GST if the selling price is $65.45
SP = $65.45
The Cost Price of item without GST is $59.50
(c) Calculate the amount of GST on an item whose selling price is $65.45.
GST = 10% of CP
GST =
GST = 0.1CP
From part (b)
CP = $59.50
GST = 0.1 * 59.50
GST = $5.95
The GST of item is $5.95
Keywords: percentage, multiplication
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