Final answer:
To find Jacob's age compared to Peter's age, subtract Peter's age from Jacob's age. To find how many times older Jacob is than Peter, divide Jacob's age by Peter's age. In three years, divide Jacob's age in three years by Peter's age in three years to find how many times older Jacob will be.
Step-by-step explanation:
To find how many years older Jacob is than Peter, we subtract Peter's age from Jacob's age: Jacob - Peter = J - P. The result tells us the age difference in years.
To find how many times older Jacob is than Peter, we divide Jacob's age by Peter's age: Jacob ÷ Peter = J ÷ P. This gives us the ratio of Jacob's age to Peter's age.
In three years, both Jacob and Peter will be three years older. To find how many times older Jacob will be than Peter, we divide Jacob's age in three years by Peter's age in three years: (Jacob + 3) ÷ (Peter + 3) = (J + 3) ÷ (P + 3).