SOLUTION: There are 357 seniors in Harris High School. The ratio of boys to girls is 7:10. How many boys are in the senior class?

Algebra.Com
Question 175012: There are 357 seniors in Harris High School. The ratio of boys to girls is 7:10. How many boys are in the senior class?
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
There are 357 seniors in Harris High School. The ratio of boys to girls is 7:10. How many boys are in the senior class?
--------------------
7:10 is the same as 7x:10x where 7x represents the number of boys.
--------------------
Equation:
7x + 10x = 357
17x = 357
x = 21
Then 7x = 147 (# of boys)
==========================================
Cheers,
Stan H.




















=====================================
Cheers,
Stan H.

RELATED QUESTIONS

There are 357 seniors in Harris High School. The ratio of boys to girls is 7:10. How many (answered by jim_thompson5910)
There are 357 seniors in Harris High School. The ratio of boys to girls is 7:10. How many (answered by edjones)
There are 357 seniors in Harris High School. The ratio of boys to girls is 7:10. How many (answered by jim_thompson5910)
There are 357 seniors in Harris High School. The ratio of boys to girls is 7:10. How many (answered by algebrahouse.com)
there are 357 seniors in harris highschool. The ratio of boys to girls is 7:10. How many... (answered by ikleyn)
The ratio of girls to boys in a class is 9 : 7. If there are 10 more girls than boys, how (answered by ewatrrr)
the ratio of boys to girls in a class is 2:3. there are 10 boys in the class. how many... (answered by ptaylor)
a high school graduating class is made up of 455 students. there are 67 more girls than... (answered by josgarithmetic)
a high school graduating class is made up of 455 students. there are 67 more girls than... (answered by Cromlix)