SOLUTION: there is a ratio of 3 boys to every 4 girls. if there are 245 total preschoolers enrolled then how many of them are boys?

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Question 1187562: there is a ratio of 3 boys to every 4 girls. if there are 245 total preschoolers enrolled then how many of them are boys?
Answer by greenestamps(13209) About Me  (Show Source):
You can put this solution on YOUR website!


Given the ratio of 3 boys to every 4 girls,...

Let 3x = # of boys
Let 4x = # of girls

That is nearly always the best way to start on a problem like this where a ratio is given.

The total number of preschoolers is 245:

3x+4x=245
7x=245
x=245/7=35

ANSWER: The number of boys is 3x = 3(35) = 105