A university bookstore recently sold a wirebound graph-paper notebook for $2.64, and a college-ruled notebook for $3.61. At the start of spring semester, a combination of 50 of these notebooks were sold for a total of $168.86. How many of each type were sold?

Question

hero · Answer

x + y = 50
2.64x + 3.61y = 168.86

x = graph paper note
y = college ruled note

anonymous · Answer

I am not sure what to do next.

hero · Answer

You solve the system. I'm pretty sure you're working with systems of equations.

hero · Answer

I would recommend using the substitution method

anonymous · Answer

2.64x + 3.61y = 168.86
sorry trying to look it up cause i am still lost

anonymous · Answer

I thought you had to have two equations to use the sub method

hero · Answer

We do have two equations don't we?

hero · Answer

I could have sworn I posted two equations initially

anonymous · Answer

so would  it be 3.64x 4.61y =218.86 for the new equation

hero · Answer

No. I don't think you should be working on these kinds of problems unless you are alreadyfamiliar with systems of equations.