Question

Solve me this problem ok

Answer 1

Answer:

600

Step-by-step explanation:

Let full marks be x.

Then the passing marks = 45% of × = x × 45/100 = 45x/100

According to the question,

45x/100 = 240 + 30

x = 270 × 100/45 = 600.

Alternative method,

45% = 240 +30 = 270

100% = 270/45 × 100 = 6×100 = 600