Question

I need help immidiatly plz.

Answer 1

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/ x = 20/ 100`

which yields

`x=(1500)/(20)=75`