Answer:
Discount percentage = 10.5% (Approx)
Therefore the discount is seller offering you is 10.5 % .
Step-by-step explanation:
Discount = Marked price - Selling price
As given
You are offered an item for $17.85. If the seller states he normally sells the same item for $19.95 .
Here
Marked price = $19.95
Selling price = $17.85
Discount = 19.95 - 17.85
= $2.1
Discount percentage = 10.5% (Approx)
Therefore the discount is seller offering you is 10.5 % .
A, D, E and F are all true statements.
When looking for congruence in these type of problems, you have to look for the order of the letters in the original listing. Since they are listed LMN and PQR, this means we have to focus on the placement of those letters. Since L is the first listed in the sequence, it is congruent with P, which is also listed first. M is congruent with Q since they are both in the middle, and N and R are congruent since they are both at the end.
Now to find true statements, you need to make sure everything matches up in the statement.
Let's take A for instance. It states that MN = QR. Now we know M is in the middle and N is at the end. Since Q is in the middle and R is at the end, they match and are therefore true.
Y=x+1
3x+y=21
-----------
-x+y=1
3x+y=21
First do this. Change one (or both) of the equations so that the x and y are on one side, and the number is on the other. Make sure either the x or the y is the same in both equations (in this case, y) and then take one away from the other. The y will cancel out so you can work out x.
3x+y=21 -
-x+y=1
-----------
4x = 20
x = 5
Then add the x into one of the two equations to find out y.
3x + y = 21
(3*5) + y = 21
15 + y = 21
y = 6
To check, put both x any y into the other equation.
-5 + 6 = 1
If the answer is correct, you have correctly solved the equations.
x = 5
y = 6
:D
Answer:
the answer and explanation are In the picture
hope this helps
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