part 1 explanation = add all of the numbers, then divide by how many numbers you have. so, 200/25 = 8.
part 2 explanation = not gonna lie, this is hard to explain, so just google how to do it.
Answer from: Quest
Add up all the sides
Another question on Mathematics
Mathematics, 21.06.2019 21:00
Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.