Question

Will there ever be an

age, other than 14 and
7, where Pedro is twice
as old as his brother?
Explain.

Answer 1

No

Explanation:

They are 7 years apart. Therefore, the only age where Pedro will be twice as old is his brother is the age 14 because 7 is half of 14.

Answer 2

Hi!

Your answer is No.

This is because they are seven years apart in age. The only way for Pedro to be twice as old as his brother would be for

a + 7 = 2a

('a' is Pedro's brother's age)

Now, if we subtract a from both sides in the top equation, we get:

7 = a

There is only one solution to this equation.