4 friends participated in a speed typing contest. Who has the slowest typing speed
2 answers:
As per the problem
4 friends participated in a speed typing contest.
And the words per minute is as below:
F1: 320 words in 8 minutes
It mean the words per minute is
F2: 403 words in 10 minutes
It mean the words per minute is
F3: 474 words in 12 minutes
It mean the words per minute is
F4: 567 words in 14 minutes
It mean the words per minute is
On comparing the number of words per minutes in all the above cases we observe that F3 has the slowest Typing speed.
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16 % of tiles are black
<em><u>Solution:</u></em>
Given that floor tiles come in red, blue, and black
To find: percent of the tiles that are black
From given question,
number of red tiles = 16
number of blue tiles = 5
number of black tiles = 4
Therefore, total number of tiles = number of red tiles + number of blue tiles + number of black tiles
Thus total number of tiles = 25
<em><u>To percent of the tiles that are black, use the following formula:</u></em>
Thus 16 % of tiles are black