Kelly’s bill at a restaurant came to $21.52. If she decides to leave a 18% tip, how much of a tip should she leave?

$3.87

Step-by-step explanation:

$21.52 x 18%(or .18)

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.