Question

12 is 80% of what number

Answer 1

12 is 80% of 15 
hope i helped 

Answer 2

X - the number

$80\%x=12 \\ \frac{80}{100}x=12 \\ \frac{4}{5}x=12 \\ x=12 \times \frac{5}{4} \\ x=3 \times 5 \\ x=15$

12 is 80% of 15.