Answer:
c. 15 blankets and 35 meals
Explanation:
Based on the information given the war has caused the combined daily output of both the two countries to decline by 15 blankets and 35 meals which is calculated as:
Calculation for Declined in combined daily output for both countries
Countries Production Consumption
Caninia 10 blankets 40 meals per day
Felinia 25 blankets 5 meals per day
=Declined 15 blankets and 35 meals per day
Therefore the combined daily output of both the two countries will decline by 15 blankets and 35 meals per day