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Vladimir79 [104]
3 years ago
8

The original price of a computer is $899. Four store coupons are listed. Which coupon is the best deal for the computer? A) SAVE

$150 ON ANY COMPUTER B) SAVE 25% ON ANY COMPUTER C) SAVE $75 PLUS 15% OFF ON ANY COMPUTER D) SAVE $50 PLUS 20% OFF ON ANY COMPUTER
Mathematics
2 answers:
Ivan3 years ago
6 0
Hey! 

We can check which would give us a better price by calculating each final price after the discount has been added: 

Option A): 

$899 - $150 = $749

Option A) will cost $749.

Option B) 

$899 × 0.25 = $224.75

$899 - $224.75 = $674.25

Option B) will cost $674.25

Option C) 

$899 - $75 = $824

$824 × 0.15 = $123.6

$824 - $123.6 = $700.4

Option C) will cost $700.4

Option D)

$899 - $50 = $849

$849 × 0.20 = $169.8

$849 - $169.8 = 679.2

Option D) will cost $679.2

So, Coupon B) $674.25 is the best deal for the computer.
Sidana [21]3 years ago
6 0

Answer:

B) SAVE 25% ON ANY COMPUTER

Step-by-step explanation:

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Answer:

<em>Beck actually caught 45 fish</em>

Step-by-step explanation:

<u>System of Equations</u>

We call the following variables:

x = number of fish Ally caught

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They caught a total of 75 fish, thus:

x + y = 75      [1]

If Ally had caught twice as much fish as she actually did, and Beck had caught three times as many fish as he actually did, then Ally would have caught 75 fewer fish than Beck, thus:

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x = 75 - y      [3]

Substituting in [2]:

3y = 2(75 - y) + 75

Operating:

3y = 150 - 2y + 75

Simplifying:

5y = 225

Dividing by 5:

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Step-by-step explanation:

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