Anders and Gabby went to the Big Six convenience store to shop. Anders had twice as much money as Gabby. He spent all but $ .05. He got two pieces of gum and one of each other item listed in the table. Gabby got two different things from the list.
Ice Pop: $ .50
Gum: $ .15
Apple Drink: $ .65
How much money did they each have when they started, and what things did each person buy?
Answer
Anders started with $1.50 and bought two pieces of gum, one ice pop and one apple drink. Gabby began with $ .75 and spent $ .65 on an ice pop and a piece of gum.
The clues tell you what items Anders bought, so you know that he spent (2 x $ .15) + $ .50 + $ .65 = $1.45. He had $ .05 left over, so Anders started with $1.50.
Gabby began with half Anders’ total, $1.50 / 2 = $ .75. She bought two different items in one of three possible combinations: ice pop and gum ($ .50 + $ .15 = $ .65), ice pop and apple drink ($ .50 + $ .65 = $1.15), or gum and apple drink ($ .15 + $ .65 = $ .80). Because she had only $ .75, she must have bought an ice pop and a piece of gum.
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