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zhannawk [14.2K]
3 years ago
13

Julian has 56 books arranges them in seven groups. Julian buys 16 more books and groups them in the same way as his other books.

Write an eaquation to sho how may groups of books, g, Julian has in all. Then solve.
Mathematics
1 answer:
Sunny_sXe [5.5K]3 years ago
3 0
The equation that would represent the number of groups in al would be:

(56/8) + (16/8) = g
7 + 2 = g
9 = g

There would be 9 groups.

You will use the information to write a number sentence that would show the total number of groups.
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Find the number of rectangles in 8×8 chessboard. (not just the 1x1 squares)
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288

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<em>                                             Number of rectangles</em>

<em>____________________________________________________________</em>

1 × 1 squares 9-1 = 1 = 8*8 = 64

1 × 2 squares 9-2 = 7 = 8*7 = 56

1 × 3 squares 9-3 = 6 = 8*6 = 48

1 × 4 squares 9-4 = 5 = 8*5 = 40

1 × 5 squares 9-5 = 4 = 8*4 =32

1 × 6 squares 9-6 = 3 = 8*3 = 24

1 × 7 squares 9-7 = 2 = 8*2 = 16

1 × 8 squares 9-8 = 1 = 8*1 = 8

64 + 56 + 48 + 40 + 32 + 24 + 16 + 8 = 288

<em>Thus,</em>

<em>the number of squares on a chessboard is 228.</em>

<em />

<em>Hope this helps :)</em>

8 0
3 years ago
The sum of a number and five more than the number is less than fifteen​
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4 years ago
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The answer should be

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3 0
3 years ago
Read 2 more answers
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