Average Home Meal Consumption Percentages

A research study surveyed 250 participants about their calorie consumption over a week. The data was categorized into three meal types: Breakfast, Lunch, and Dinner. The average calories consumed for each meal type were recorded as follows:

• Breakfast: 400 calories
• Lunch: 600 calories
• Dinner: 800 calories

In addition, the researchers found that:

• 70% of participants consumed lunch at home
• 50% of participants had breakfast at home
• 30% of participants ordered dinner from restaurants

Based on this data, what is the average percentage of each meal type consumed at home by the participants?