Homework Help: algebra 1

Posted by lucy on Sunday, January 27, 2013 at 3:24pm.

at a certain high school,350 students are taking algebra. the ratio of boys to girls taking algebra is 33:37. How many more girls are taking algebra than boys?
- How can you write a system of equations to model the situation?
- Which equation will you solve for a variable in the first step of solving the system? why?
-how can you interpret the solution in the context of the problem?

algebra 1 - oluchi, Sunday, January 27, 2013 at 3:59pm
no of girls=37/70*350=185
no of boyz=350-185=165
185-165=20girls more dan boiz.
Let x=boys y=girls
A)x+y=350
350-((ratio of girls/total ratio)*350=no of boys taking algebra.
No of girls-no of boys=girls more dan bois.
B)u wuld use both d 2nd n 3rd eqn
algebra 1 - Reiny, Sunday, January 27, 2013 at 4:45pm
easier way:

let the number of boys taking algebra be 33x
let the number of girls taking algebra be 37x

33x+37x = 350
70x = 350
x = 5

number of boys = 33(5) = 165
number of girls = 37(5) = 185

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