Answer:
The ratio of price for an item in the month of April to January is = 9 : 10
Explanation:
Let price of an item in January = 100
Given that the price for the next month is 10% less than the price for the previous month.
Therefore the price for the month of Feb = 90
Price for the month of march = 81
Price for the month of April = 72.9
Therefore the ratio of price for an item in the month of April to January
= 9 : 10