3 years ago

How do we know how to find an equivalent ratio with 100 as denominator

2 answers:

8 0

<span>To find what percent one number is of another number, write the two numbers as a fraction, with the whole as the denominator. Then find an equivalent ratio with a denominator of 100 and write that ratio as a percent.</span>

tensa zangetsu [6.8K]3 years ago

6 0

Because 10 + 11 = 21

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Suppose you took eight math tests this semester. If your average score on your first six tests was 84 and your average score on

iris [78.8K]

Answer: 92

Step-by-step explanation:

Formula : Sum of first n numbers = Average x n

Given: Average score on first 6 tests= 84

A score on all 8 tests = 86

Then, Sum of first 6 numbers = 84 x 6 = 504

Sum of first 8 numbers = 86 x 8 = 688

Sum of two last numbers = (Sum of first 8 numbers) - (Sum of first 6 numbers)

= 688-504

=184

Average of last two numbers = (Sum of two last numbers )÷2

= 184÷2

= 92

Hence, the average of your last two test scores = 92.

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3.465

Step-by-step explanation:

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What is the solution to the system of equations? Use any method you prefer to solve.

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Answer:

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Step-by-step explanation:

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Read 2 more answers