3 years ago

What does 81% 90% 80% and 34% average into 20 points

Mathematics

1 answer:

Alja [10]3 years ago

7 0

Answer:

71.25%.

Step-by-step explanation:

To find the average, we can simply add up the percentages and divide by how many there are.

We can do this by:

$\frac{81 + 90 + 80 + 34}{4}$ = 71.25%

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We know that
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${ \qquad\qquad\huge\underline{{\sf Answer}}}$

Let's solve ~

$\qquad \sf \dashrightarrow \: \cfrac{1}{b} + 10 = \cfrac{9}{b} + 7$

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Step-by-step explanation:

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