Question

Carl's grandfather is exactly 5 times older than Carl.
Which three statements must be true?​

Answer 1

g = 5c

5*c = g

g/5 = c

Explanation:

g = grandfather

c = carl

Answer 2

The age of Carl's grandfather is a composite number.

Carl's age is a factor of the age of his grandfather.

The number 5 is a factor of the age of Carl's grandfather.