A group of students go to the store to buy school supplies.
If they buy three binders and four notebooks, the bill will be $4.85.
If they buy three binders and ten notebooks, the bill will be $8.75.
What is the cost of each binder and notebook?
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+592 Let b = cost of one binder, and n = cost of one notebook
3b + 10n = 875
3b + 4n = 485
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6n = 390
n = 65
3b + 4n = 485
3b + 4(65) = 485
3b + 260 = 485
3b = 225
b = 75
Notebooks cost 65 cents and binders cost 75 cents :)
