Answer:
40 + 25e or 107.957
Step-by-step explanation:
40 + 25e:
15e and 10e are like terms so you can add them together.
Once you add the two, you get 40 + 25e.
107.957:
you multiply 25 by e (2.71828) and get 67.957
then you add 67.957 to 40 and get 107.957.
