Question 151102:  Dawn spent $13 on pens and notebooks. The pens cost $2 each and the notebooks cost $3 each. How many of each did she buy? 
 Answer by stanbon(75887)      (Show Source): 
You can  put this solution on YOUR website! Dawn spent $13 on pens and notebooks. The pens cost $2 each and the notebooks cost $3 each. How many of each did she buy? 
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EQUATION: 
Value EQUATION: 2p + 3n = 13 
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Consider multiples and 2 and multiples of 3 
2: 2, 4, 6, 8, 10 
3: 3, 6, 9 
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4 + 9 = 13 
p = 2 and n = 3 
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Cheers, 
Stan H. 
 
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