SOLUTION: I learned this last year, but I don't remember the formula and I can't find it anywhere. I appreciate any help!! A store sells 5-cent, 10-cent, and 15-cent pencils. How many dif

Question 66200: I learned this last year, but I don't remember the formula and I can't find it anywhere. I appreciate any help!!
A store sells 5-cent, 10-cent, and 15-cent pencils. How many different ways can you spend $.45 on pencils?
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
MOST DIRECT SOLUTION IS TO MAKE A TABLE THUS
///15C///10C///5C///=45C
--------------------------------------
///QTY///QTY//QTY///=PRICE
////3/////0////0////=45
////2/////1////1////=45
////2/////0////3////=45
////1/////3////0////=45
////1/////2////2////=45
////1/////0////4////=45
////0/////4////1////=45
////0/////3////3////=45
////0/////2////5////=45
////0/////1////7////=45
////0/////0////9////=45
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