If you are just dividing percent's, then each grade would have 12.5 percent.
D. 2(n-8)
The difference of a number and eight is separate from being multiplied by 2 which is why you would use parenthesis.
Answer:79 , 80 , 81
Step-by-step explanation:What three consecutive integers have a sum of 240? What three consecutive integers have a sum of 240? Which means that the first number is 79, the second number is 79 + 1 and the third number is 79 + 2. Therefore, three consecutive integers that add up to 240 are 79, 80, and 81.