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Help plz anyone.

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Miriam took a survey, asking each family in her neighborhood how many pets they have. She made a graph showing the results: What is the average number of pets per family?

Dec 19, 2017
edited by Guest  Dec 19, 2017

#1
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avg. number of pets per family  =  (total number of pets) / (total number of families)

total number of pets   =   0 * 6  +  1 * 3  +  2 * 3  +  3 * 6  +  4 * 1  +  5 * 1   =   36

total number of families   =   6 + 3 + 3 + 6 + 1 + 1   =   20

avg. number of pets per family   =   36 / 20   =   9/5   =   1.8

Dec 19, 2017

#1
+1

avg. number of pets per family  =  (total number of pets) / (total number of families)

total number of pets   =   0 * 6  +  1 * 3  +  2 * 3  +  3 * 6  +  4 * 1  +  5 * 1   =   36

total number of families   =   6 + 3 + 3 + 6 + 1 + 1   =   20

avg. number of pets per family   =   36 / 20   =   9/5   =   1.8

hectictar Dec 19, 2017
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