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andriy [413]
2 years ago
13

The percentage profit earned by selling a watch for Nu 1920 is equal to the percent loss incurred by selling the same watch for

Nu 1280. At what price should the watch be sold to make 25% profit​
Mathematics
1 answer:
dimaraw [331]2 years ago
6 0

Answer:

2,000

Step-by-step explanation:

The computation of the price that should be sold for making 25% profit is shown below:

Let cost price be x

Now the equation would be

(1,920 - x) ÷ x × 100 = (x - 1,280) ÷ x × 100

1,920 - x = x - 1,280

2x = 3,200

x = 1,600

Now the sale price would be

= 1,600 × 1.25

= 2,000

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Find the solution of this system of equations.
vagabundo [1.1K]
I'm going to use the substitution method.

4x + 4y = -16
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4x + 4y = -16
- 4x - 4x
--------------------------
4y = -4x - 16
------ ------ ------
4 4 4

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----------------------------
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------- -------
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------------------------
4y = -104
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3 years ago
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