Question

If 15 oranges cost RS 110,what do 39 oranges cost?

Answer 1

15 oranger cost = 110
1 orange cost= 110/15
=22/3 rs
since,
39 orange cost = 22/3×(39)
22×13 rs
=286 rs

Answer 2

if 15 oranges costs 110/-
then one orange cost = 110/15 rupees

the cost of 39 oranges = 39*110/15=289rupees

there fore 39 oranges cost 289/-.

hope it helps you dear .. thxxx