A sapling that started out 48 inches tall grew 3 inches per year. How old was the sapling when it was 105 inches tall? Write and solve an equation to find the answer.

i pretty sure it is

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.