shelbyjo2015 shelbyjo2015

16-02-2019
Mathematics

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bills number is 4 more than Mary's. the average of their numbers is 36. what is each persons number?

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16-02-2019

Answer:

Mary=34

Bill=38

Step-by-step explanation:

bill's number=b

mary's number=m

(m+b)/2=36

b=m+4

(m+m+4)/2=36

(2m+4)/2=36

m+2=36

m=34

b=34+4=38

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