His score is 50
How to:
First test grade:0
Second test grade:50
Third test grade: 100
Add all three and divide by 3
You multiply 5 x 3 Bc you multiplied the left side by 3. Hope this helps
Answer:
The answer to your question is: 320
Step-by-step explanation:
Data
1/4 of the calories in a chocolate - 10 = calories in an apple
Equation
Calories in a chocolate bar = 4(calories in apple + ten)
= 4(70 + 10)
= 4(80)
= 320