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Answer:
0.4 or 2/5
Step-by-step explanation:
Dana surveyed 20 students in total and out of those 20 only 8 got an A
so:
now if you simplify it
and if you simplify it again:
or 0.4 in decimal
Irrational.
Rational means that you can write it as a fraction, you cannot express pi as a fraction therefore it’s not rational
The answer is C, 80 because it says David can read 50 pages in 50 minutes (because he can read ten more than Mike, and Mike read 40) Which means he read a page a minute, therefore he would read 80 pages in 80 minutes.