Posted by hayden on Tuesday, October 5, 2010 at 8:00pm.
box of chalk and 2 staplers cost $10.00. Three boxes of chalk and 2 staplers cost $18.00. How much is a box of chalk and a stapler?

math  lindsey, Tuesday, October 5, 2010 at 8:03pm
x is box of chalk
y is staplers
x + 2y = 10
3x + 2y = 18
solve for x and then plug in and solve for y

math  Jen, Tuesday, October 5, 2010 at 8:23pm
x+2y=10
3x+2y=18
Multiply the first equation by 1 to cancel the y's:
x2y=10
3x+2y=18
Now add the rows
2x=8
x=?
Now plug that back into either original equation to solve for y.

math  Anonymous, Friday, June 13, 2014 at 8:46pm
16

math  ga, Thursday, November 19, 2015 at 7:32pm
the answer is
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