15 points harry has $32. he spent all the money on buying 3 notebooks for $x each and 4 packs of index cards for $y each. if harry had bought 5 notebooks and 5 packs of index cards, he would have fun short of $18. a student concluded that the price of each notebook is $5 and the price of each pack of index cards is $1. which statement best justifies whether the students conclusion is correct or incorrect? (zoom in on the picture for the answers)