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s2008m [1.1K]
3 years ago
10

Mary would like to buy a laptop computer with an original price of $964.60. Which coupon should she use? 50 % off or save $400.0

0
Mathematics
2 answers:
KiRa [710]3 years ago
8 0

Answer:

We will do better using the 50% off

Step-by-step explanation:

First find the price with the coupon

964.64 -400 = 564.60

Now find the price with 50% off

50% off means that we will pay 100-50 = 50 percent

964.60*50% =

964.60*.50

482.30

We will do better using the 50% off

soldi70 [24.7K]3 years ago
3 0
She should use 50% off.

964 divided by 1/2 = $482

964 - 400 = $564
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How do you solve You earn 15n 15n dollars for mowing n lawns. How much do you earn for mowing one lawn? Seven lawns?
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$15 for a lawn, $105 for seven lawns.

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An investment firm invested in two companies last year. They invested $40,000 in company A and made a profit of 15%. They invest
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Answer:

A) $8200.

B) 16.4%

Step-by-step explanation:

Here is the complete question: An investment firm invested in two companies last year. They invested $40,000 in company A and made a profit of 15%. They invested $10,000 in company B and made a profit of 22%.

A) What is the investment firms total profit?

B) What is the percent profit of the total investment?

Given: Company A invested $40000 and made profit of 15%

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A) First lets find the profit of company A and B.

Company A= \frac{15}{100} \times \$ 40000= \$ 6000.

∴ Profit of company A is $6000.

Company B= \frac{22}{100} \times \$ 10000= \$ 2200

∴ Profit of company B is $2200.

Total profit= profit of company A+ profit of company B

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B) Now finding the percentage of total profit made by firm.

Total investment by the firm= \$ 40000+\$ 10000= \$ 50000

∴ Total investment done by the firm is $50000.

Percent of profit= \frac{Total\ profit}{Total\ investment} \times 100

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