Lozoya372 Lozoya372
  • 30-05-2014
  • Mathematics
Answered

The average height of three students is 68 inches. If two of the students have heights of 70 inches and 72 inches respectively, then what is the height (in inches) of the third student?



Answer :

CHANIEL1931 CHANIEL1931
  • 30-05-2014
It's 62 inches

70+72+62= 204/3= 68
Answer Link
Ryan2
Ryan2 Ryan2
  • 30-05-2014
Write the following equation:

[tex]\frac{70+72+x}{3}=68\\ \\ 142+x=3*68\\ \\ 142+x=204\\ \\ x=204-142\\ \\ x=62 \ in[/tex]
Answer Link

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