Answer:
the dogs daily energy intake is 643.5 kcal
and, the dogs daily protein intake is 41.8275 grams
Step-by-step explanation:
Given:
Food taken per day = 2 ×  cup = 1.5 cup
  cup = 1.5 cup
Amount of calories in a cup = 429 kcal/cup
Amount of protein = 6.5 grams per 100 kcal of energy
now, 
The total amount of calories taken per day 
= Number of cups of food × Amount of calories in a cup
= 1.5 × 429 
= 643.5 kcal
also,
 100 kcal of energy = 6.5 grams protein
thus, 
1 kcal of energy = 0.065 grams protein
therefore,
643.5 kcal of energy = 0.065 × 643.5 grams protein
or
643.5 kcal of energy = 41.8275 grams of proteins
Hence,
the dogs daily energy intake is 643.5 kcal
and, the dogs daily protein intake is 41.8275 grams