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show work: Anna and Dave decide to go into business together selling lemonade during summer. They each set up a stand outside their house. Anna sells her lemonade for $0.50 a cup and gives away wo cups for free each week. Dave sells his lemonade for $0.75 a cup and gives away three cups for free each week. One week, Anna distributes twice as many cups of leonade as Dave. Which function best represents the amount Dave and Anna earned together during this week.

 

a. t(x) = 1   x -1+3 x -2.25

              2           4

b. t(x) = 7 x -3.25

           12

c. t(x) =2(1.25x-3.25)

 

d. t(x) = 1.25x-3.25

 Jan 7, 2017
 #1
avatar+37153 
+5

Hmmmm.... I cannot see any of them that work....are you sure about the fractions   3/4....or  3/8?    7/12 ..or 7/8???

 Jan 8, 2017

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