After 15% discount an item cost $22.27 what was the original price?
2 answers:
Answer: $148.47
Step-by-step explanation:
To find the original price of an item cost $22.27 after 15 % discount:
Let x represent the original price
15% of (original price) = $22.27
15% × x = $22.27
= $22.27
We cross multiply
15 x = $22.27 × 100
15 x = $2227
Divide both-side of the equation by 15
=
x = $148.47
Therefore the original price of the item is $148.47
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The point of intersection is the point where lines intersect.
<em>There will be 595 intersections for 35 lines, where no 3 lines are concurrent.</em>
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Given
<em /><em> --- the number of lines</em>
<em /><em> --- no three lines are concurrent</em>
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When no three line are concurrent, it means that no three lines meet at the same point.
<u>So, the sequence of intersection is:</u>
- <em>0 intersection for 1 line</em>
- <em>1 intersection for 2 lines</em>
- <em>3 intersections for 3 lines</em>
- <em>6 intersections for 4 lines</em>
<em />
Following the above sequence, the number of intersections for n lines is:
In this case,
So, we have:
<em>Hence, there will be 595 intersections for 35 lines, where no 3 lines are concurrent.</em>
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