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luis1616 luis1616
  • 03-12-2014
  • Mathematics
Answered

Andy is one-fourth as old as his grandfather, who is 76 years old. Write an equation to determine whether Andy is 19 or 22 years old.

Verified Answer :

macio06 macio06
  • 03-12-2014

We know that if we multiply Andy's age by four we obtain 76. Lets assume that Andy's age its x. so
4x=76
Now we have to solve equation
4x=76     /:4 divide both sides by 4
x=19 - its the answer

Answer Link
bcwhead bcwhead
  • 03-12-2014

A=Andy
G=Andy's Grandfather

A4=G
G=76
A4=76
/4
a=19

Answer Link

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