Question

17 out of 20 lung diseases are curable; what is the percentage of lung diseases that are curable ?

Answer 1

17 upon 20 *100
17*5
85%

Answer 2

Percentage = $\frac{17 * 100}{20}$

Percentage = 17 * 5 

Percentage = 85%

i hope this will help you


-by ABHAY