An athlete wants to increase muscle mass through weight training. The athlete has p pounds of muscle before weight training and gains 12% more muscle mass through training. Which expression represents the total muscle mass, in pounds, the athlete has after weight training?

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.