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A display of gift boxes has 1 box in the top row, 3 boxes in the next row, 5 boxes in the next row, and so on. There are 7 rows in all. How many gift boxes are in the display? Question 19 options: 64 boxes 47 boxes 36 boxes 49 boxes

2 Answers

4 votes

Answer:

36 boxes

Explanation:

User Chandoo
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3 votes

For this case we have to increase two boxes each time we go to the next row. So:

1 row: 1

2 row: 3

3 row: 5

4 row: 7

5 row: 9

6 row: 11

7 row: 13

Adding the number of boxes we have:


1 + 3 + 5 + 7 + 9 + 11 + 13 = 49

There are 49 boxes!

Answer:

Option D

User TBB
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6.0k points