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Mathematics 17 Online
OpenStudy (anonymous):

in a family of five,the heights of members are 5 feet 1 inch,5 feet 7 inch,5 feet 2 inches,5 feet,4 feet 7 inches.The average height is?

hartnn (hartnn):

to get the average, just add those and divide by 5

OpenStudy (anonymous):

@RadEn reply

OpenStudy (anonymous):

but i didnt get the corrrect answer @hartnn

hartnn (hartnn):

what u got ? show your work...i'll try to identify the error

OpenStudy (anonymous):

24+17/5 ?

hartnn (hartnn):

17/5 = ? in mixed fraction ?

OpenStudy (mayankdevnani):

5 feet 1 in. 5f ft. 7 in. 5ft. 2 in. 5ft. + 4 ft. 7 in. ---------------- 25 ft.

OpenStudy (mayankdevnani):

ok @laraib

OpenStudy (anonymous):

yes @mayankdevnani but the answer is 5 feet 1 inch

OpenStudy (mayankdevnani):

25 ft. 7 in. is answer

OpenStudy (mayankdevnani):

so divide it by 5 to get the average 25 ft. 5 in./5=5 ft. 1 in.

hartnn (hartnn):

24 feet 17 inch divided by 5 24 + 1 feet, 5 inch divided by 5 =5 feet 1 inch

OpenStudy (mayankdevnani):

got it @laraib

hartnn (hartnn):

because 12 inch = 1 feet

OpenStudy (mayankdevnani):

yaa

OpenStudy (mayankdevnani):

ok @laraib

OpenStudy (anonymous):

no :(

hartnn (hartnn):

did u get sum as 24 feet 17 inch ??

OpenStudy (anonymous):

yup @hartnn

hartnn (hartnn):

now 17 inch means 12 inch + 5 inch and 12 inch = 1 feet so 17 inch = 1 feet and 5 inch

OpenStudy (mayankdevnani):

divide it by 5 to get the average 25 ft. 5 in./5=5 ft. 1 in.

hartnn (hartnn):

24 feet 17 inch = 25 feet 5 inch got this ?

OpenStudy (mayankdevnani):

yaa...

OpenStudy (mayankdevnani):

but m do it in short...

OpenStudy (anonymous):

yes got it :)

OpenStudy (anonymous):

thanku

hartnn (hartnn):

welcome ^_^

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