Question

If 30 marks is 40%,what is full marks

Answer 1

The answer is 75. if 30 is 40, then 20 is 15, 15 times 5 equals to 75.

Answer 2

30=40%
x=100%

$x= \frac{30*100}{40}$

$x= \frac{3000}{40}$

$x= \frac{1500}{20}$

$x= \frac{750}{10}$

$x=75$

anwer
30=40%
75=100%