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The table shows the percent of families in Mathville that have 0, 1, 2, 3 and 4 or more children. If there are a total of 10,250 families, how many are there with no children?

 

Number of children  0 1 2 3 4+

% of total families    x 17 43 28 12

 Oct 25, 2022
 #1
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0.17  x  10,250 =~1,742 families with 1 child [Not rounded]

0.43  x  10,250 =~4,407 foamilies with 2 children [Not rounded]

0.28  x  10,250 =2,870 families with 3 children

0.12  x  10,250 =1,230 families with 4+ children

 

10,250  -  [1,742 + 4,407 + 2,870 + 1,230] = 1 family has no children !. 

 Oct 25, 2022

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