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KonstantinChe [14]
3 years ago
9

John accepted a reduction of 15% on his salary when his company was not doing well. Now his company's financial position has imp

roved and his boss wants to restore his original salary. By what percentage must his reduced salary be increased?
Mathematics
1 answer:
o-na [289]3 years ago
6 0
To reverse a percentage decrease you divide it by the decrease (+ 100%)
For example we will pick the number, 100, which is decreased by 15% to 85.

To make 85 back to 100 we divide it by the decrease (1-0.15):
85 / 0.85 = 100

To find out how much 85 increased to get back to 100, we do:
15 / 85 = 0.1765 = %17.65

15 is the reduction/difference, and 85 is the with reduction total.

Because percentages stay the same, this is applicable to any numbers, from this, we know that whenever something is reduced by 15% - when restored to it's original is increased by %17.65

The answer is %17.65


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A $3000 loan has an annual interest rate of 6.6% on the amount borrowed. How much time has elapsed if the interest is now $1386?
san4es73 [151]

Answer:

7

Step-by-step explanation:

time=<u>interest</u>

           P*R

time=<u>1386*</u>100

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<u>time=7</u>

7 0
2 years ago
Hi! 6 questions, find the slope of the line through the given points, ty! They should be practice questions
denis23 [38]

Answer:

3. undefined (vertical line)

4. 1

7. -4

8. 3

11. undefined (vertical line)

12. -1/3

Step-by-step explanation:

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3. (-4 - (-2)) /  (6-6)  denominator is 0 here so the slope is undefined (vertical line)

4. (7 - 1) / (-2 - (-4)) = 6 / 6 = 1

7. (1 - (-7)) / (2 - 4) = 8 / -2 = -4

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12. (2 - 3) / (-5 - (-2) = 1 / -3 = -1/3

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