Question

please answer this question

Answer 1

cost of 9 apples=1800
cost of 1 apple=1800/9= 200
cost of dozen apples= 200×12=2400

Answer 2

for 9 apples -. 1800RS
12apples - ?
12/9 ×1800
2400 rupees
another question was not clear
hope it helps u