February 27, 2017

Homework Help: math/algebra

Posted by JAY10 on Thursday, March 12, 2009 at 1:29am.

Can I get help in solving these problems using the linear system of elimination.

4x - 5y =22
x + 2y = -1

2x - 3y = 16
3x + 4y = 7

Word Problem:
During the summer, you want to earn at least $150 per week. You earn $10 per hour working for a farmer and you earn $5 per hour babysitting for your neighbor. You can work at most 25 hours per week.

I need to write and solve a system of linear inequalities that models the situation. Let x be the number of hours per week working on the farm and let y be the number of hours per week babysitting...

I am not sure but I came up with x+y<=(less than equal) to 25. or is there another solution....Thanks

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