Thursday

October 2, 2014

October 2, 2014

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

- 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 3:59pmno 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 4:45pmeasier 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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