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23.08.2019 •
Mathematics
Write the value of the 8 in this number 0.287
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Ответ:
9514 1404 393
X X X X X X XY Y Y Y YZ Z ZStep-by-step 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 .