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Put an 'X' in 35% of the rectangles. A 'Y' in 25% of the rectangles and a 'Z' in 15%. Show in detail how you determine how rectangles to mark.

Put an 'X' in 35% of the rectangles. A 'Y' in 25% of the rectangles and a 'Z' in 15%. Show-example-1

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Answer:

  • X X X X X X X
  • Y Y Y Y Y
  • Z Z Z

Explanation:

There are 20 rectangles, so 35% of them is ...

0.35 × 20 = 7 . . . . will be marked with X

25% of them is ...

0.25 × 20 = 5 . . . . will be marked with Y

15% of them is ...

0.15 × 20 = 3 . . . . will be marked with Z

_____

Additional comment

The total number of markings is 7+5+3 = 15, which is fewer than the number of rectangles. Consequently, it is not necessary to put more than one mark in any given rectangle, unless you just want to .

User Axel Isouard
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