Sean sold 4 more boxes of candy for the school fundraiser than chris. the sum of the boxes that they sold was 22

c = boxes of candy chris sold

s = boxes of candy sean sold

s =chris + 4

s =c+4

chris boxes + sean boxes = 22

c+s = 22

substitute s= c+4 into the above equation

c + (c+4) = 22

combine like terms

2c+4 = 22

subtract 4 from each side

2c+4-4 = 22-4

2c = 18

divide each side by 2

2c/2 = 18/2

c =9

s =c+4

substitute c=9 into s=c+4

s = 9+4

s=13

Chris sold 9 and Sean sold 13

  the correct choice is marked

step-by-step explanation:

the first two graphs show multiple turning points. the last graphs matches the description in every detail.

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