Answer:
20
Step-by-step explanation:
Answer:
The sum of the first five classroom numbers in a row is 5k + 20
Step-by-step explanation:
Since the smallest classroom number on the side of the building is numbered k and each consecutive odd integer is separated by a difference of
2.
Therefore:
k is the first class room.
k + 2 is the second class room.
k + 4 is the third class room.
k + 6 is the third class room.
k + 8 is the fifth class room.
The sum of the five consecutive class rooms are given as:
k + (k + 2) + (k + 4) + (k + 6) + (k + 8)
collecting alike terms we get
= k + k + k + k + k + 2 + 4 + 6 + 8
= 5k + 20
Therefore, The sum of the first five classroom numbers in a row is 5k + 20.
Answer:
B is your correct answer
Step-by-step explanation:
Answer:
PART A:
PETER
PART B:
GIWA
PART C:
WEEK 10
Step-by-step explanation:
PART A:
Peter saves $10 every week why GIWA saves $10 every two weeks making it $5 every week.
PART B:
GIWA started with more money. He started with $ 70 why Peter started with $20
PART C:
They both had $120 in the tenth week
X=3 because you subtract the three on both sides to get x alone. So you get: 7x=21 then you divide seven by 21 and get x=3
