2 years ago

I need help immidiatly plz.

Mathematics

1 answer:

REY [17]2 years ago

7 0

We know that 15 elves represent the 20% of the total.

Since 20% is one-fifth, the total number of elves is

$15\cdot 5 = 75$

Alternatively, solve the proportion

$15\div x = 20\div 100$

which yields

$x=\dfrac{1500}{20}=75$

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