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givi [52]
3 years ago
12

May got 12 marks out of 20 and Sasha got 14 marks out of 25. Who performed better?

Mathematics
1 answer:
WINSTONCH [101]3 years ago
6 0

Answer:

May performed better

Step-by-step explanation:

To compare their marks change their scores to percentages.

To change a fraction to a percent multiply by 100%

\frac{12}{20} × 100% = 0.6 × 100% = 60%

\frac{14}{25} × 100% = 0.56 × 100% = 56%

May performed better with 60%

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3 years ago
6. Using Table 11-2 from your text, calculate the present value (principal) and the compound interest given: Compound Amount = $
storchak [24]

Answer:

The Principal is $877.19    And  Compound Interest is $372.81  

Step-by-step explanation:

Given as :

Amount after investment = $1250

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Let the principal = P

From compounded method

Amount = Principal × (1 + \frac{Rate}{2\times 100})^{2\times Time}

Or, $1250 = P × (1 + \frac{6}{2\times 100})^{2\times 6}

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Or, $1250 = P × 1.425

∴   P = \frac{1250}{1.425}

I.e P = $877.19  

So , Principal = $877.19

Now, Compound Interest = Amount - Principal

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Or,                                CI  = $372.81

Hence The Principal is $877.19    And  Compound Interest is $372.81  Answer

8 0
3 years ago
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