leoniandreww
15.05.2021 •
Mathematics
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Question 2
If two typists can type two pages in two minutes, how many typists will it take to type 18 pages in six
minutes?
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Ответ:
= 6 typists
Step-by-step explanation:
Well, 2 can type 2 in 2 mins,
So, 1 can type 2 in 4 mins.
So, 1 can type 18 in 36 mins.
So, 2 can type 18 in 18 mins.
So, 6 can type 18 in 6 mins.
Ответ:
b) 20/100 = 2/10 = 1/5