Question

Gary has been given the task of purchasing chips and pretzels for a big backyard picnic. He's been given $30 to spend on the snacks. When he gets to the store, he finds that each bag of chips, x, costs about $2 and each bag of pretzels, y, costs about $3

b) Use whatever method you wish to find 3 possible combinations of bags of chips and pretzels that will cost exactly $30. Even if graphing is not your solution method, explain where these solution points would be found on the graph of the inequality

Answer 1

cool question: start with 2x + 3y = 30

Answer 2

oh wait, i didnt see that the cost of the items are "about" 2 and 3 dollars.

Answer 3

x = 15 and y = 10 ....right?

Answer 4

well, Gary could buy 15 bags of chips and 0 bags of pretzels

Answer 5

or 10 bags of pretzels and 0 bags of chips

Answer 6

but those are not the only possible answers

Answer 7

....but its right?

Answer 8

yes, but you need to find another possible answer