The cost of 3 notebooks and 2 pens is $10.45. the cost of 4 notebooks and 6 pens is $17.60. part a: what is the cost of each item? part b: miles needs to purchase some new school supplies. for each notebook he buys he will buy 3 pens. how many notebooks can he purchase if he has $22? i answered this, but i got a negative for my answer does anyone want to tell me how to solve or show me how? if you have the answer that would be great i can just use that to solve my other questions them.