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.

Question

Mathematics

Leandro Estrada

2 January, 05:09

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.

+2

Answers (2)

Know the Answer?

Iyana Schultz · Answer 1

We know that if we multiply Andy's age by four we obtain 76. Lets assume that Andy's age its x. so

4*x=76

Now we have to solve equation

4*x=76 / : 4 divide both sides by 4

x=19 - its the answer

Paige Bell · Answer 2

A=Andy

G=Andy's Grandfather

A*4=G

G=76

A*4=76

/4

a=19