State two numbers such that the lesser njmber is 25% less than the greater number

2 answers:

8 0

Make the lesser number x and the other y
x=y-.25y
.75y=x
Now make y anything you want
Say 100.
y=100, x=.75 x 100=75
75 and 100
Hope this helps :)

wariber [46]4 years ago

4 0

The two answers must be 24 and 23 are the answers

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stich3 [128]

Answer:

81x² - 81

Step-by-step explanation:

Step 1: Write expression

(9x - 9)(9x + 9)

Step 2: Expand by FOIL

81x² + 81x - 81x - 81

Step 3: Combine like terms

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soldier1979 [14.2K]

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3 years ago

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Oliga [24]

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3 years ago

Problem 8

SpyIntel [72]

Answer:

Explanation:

1. x represent the copybook while y represent the pen that is bought.

2. 2x + 3y = 9000 means that in order to buy 2 copybooks and 3 pen you have to pay 9000 LL.

3. Solve for the price of x and y

2x + 3y = 9000 (1)
4x + 2y = 8000 (2)

Multiply (1) by -2:

-2(2x + 3y = 9000)
4x + 2y = 8000
——————————
-4x - 6y = -18000
4x + 2y = 8000
—————————
-4y = -10000
y = -10000/-4
y = 2500

Substitute y value into (2):

4x + 2(2500) = 8000
4x + 5000 = 8000
4x = 3000
x = 3000/4
x = 750

Therefore, 1 copy book = 750LL and 1 pen = 2500 LL

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3 years ago

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Zanzabum

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8 0

3 years ago