SOLUTION: The teacher gives a test. The results are as follows: 10 A's, 42 B's, 15 C's, 8 D's and 2 F's. What percentage of the class received B's? Stuck on this problem? Thank you.

Question 175820: The teacher gives a test. The results are as follows: 10 A's, 42 B's, 15 C's, 8 D's and 2 F's. What percentage of the class received B's?
Stuck on this problem? Thank you.
Found 2 solutions by stanbon, josmiceli:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
The teacher gives a test. The results are as follows: 10 A's, 42 B's, 15 C's, 8 D's and 2 F's. What percentage of the class received B's?
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x/100 = 42/87
x = 100(42/87)
x = 48.27
Ans 48.27%
Cheers,
Stan H.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
First find the fraction of the class that got B's
and then convert the fraction to %
The fraction that got B's is
(number of B's)/(total number that were tested)

Now I want to convert this to percent
I know that %
This is a little more that , or 54.5%
approximately