Question

6. If there were 12 rainy days in September, what per cent of the days of the month were rainy?
7. A book which cost the bookseller 300 is sold for 360. Find the profit per cent.
8. Find the simple interest on a sum of 2,000 for 2 years at 4% per annum rate of interest.​

Answer 1

Step-by-step explanation:

$12 \div 30 \times 100 \\ 12 \div 3 \times 10 \\ \\ 4 \times 10 = 40 \: prcentage$