SOLUTION: If there are 12 girls in Mrs hardys class and 40% are boys how many kids are in the class

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: If there are 12 girls in Mrs hardys class and 40% are boys how many kids are in the class       Log On


   



Question 744365: If there are 12 girls in Mrs hardys class and 40% are boys how many kids are in the class
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
If there are 12 girls in Mrs hardys class and 40% are boys how many kids are in the class
------
If 40% are boys, 60% must be girls.
---------
Equation:
Let "x" be the number in the class.
0.60x = 12
x = 12/0.6 = 120/6 = 20 (# in the class)
-------------------
Cheers,
Stan H.