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Ugo [173]
1 year ago
14

Golu purchases 18 pen drives worth 225 each and paid Rs.4500 to the

Mathematics
2 answers:
Yuri [45]1 year ago
6 0

Answer:

350 RS

Step-by-step explanation:

18 x 225 = 4050 RS (this is how much he should pay)

4500-4050 = 350 RS (this is the change he will get)

julia-pushkina [17]1 year ago
5 0
18x225 =4050
4500-4050 = 450
The amount of money he received back was 450
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3 years ago
If R is the midpoint of QS, QR= 8x-51 and RS = 3x-6, find QS.
sashaice [31]

QS would be 42. So the way i did it was I:

8x-51=3x-6

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Plugged into both equations of QR and RS to then get the answer of 42

7 0
3 years ago
Read 2 more answers
Given certain information, what is the value of x4-y4?
Pepsi [2]

Well right off the bat, I can see a good reason why it should boggle.

If (x+y)=6 and (x-y)=2, then (x+y)(x-y) would be 12. It can't be 20.

The first 4 lines on the paper are inconsistent, so the question in the 5th line can't be calculated.

Another possible source of uncertainty (for us, anyway) is the remarkable similarity between the way you write ' Y ' and the way you write ' 4 ' . For example, look at the ' Y⁴ ' (I think ...) in the last line.

3 0
3 years ago
A pencil and an eraser cost 1.10 together. if the pencil costs one dollar more than the eraser how much does the eraser cost
Kazeer [188]

1 pencil + 1 eraser = $1.10


Pencil cost $1 more than the eraser.

⇒ If we take away $1 from the total, both the pencil and the eraser will cost the same.

⇒ $1.10 - $1.00 = $0.10


Divide by 2 to find the cost of the eraser.

⇒$0.10 ÷ 2 = $0.05


Find the cost of the pencil, which is $1 more than the eraser.

⇒ $0.05 + $1 = $1.05


Answer: The eraser costs $0.05



8 0
3 years ago
What is the final price of a $30 item at 20% off and then %20 added?
stiv31 [10]
$30 because you are taking away 20% of $30 and then adding back that 20%.
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