<u>Answer:</u>
19.15
<u>Step-by-step explanation:</u>
16.80 x 5% = 0.84
16.80 - 0.84 = 15.96
15.96 x 20% = 3.19
15.96 + 3.19 = 19.15
The answer for the last one is-36
Answer:

Step-by-step explanation:


Hope this helps!
I believe your length would be 8, because -3 to get to 0 is 3 then after that you still have 5 so you add them and get 8
Isnt it 10 hours because he was charged 25$ and he is charged 1 dllr per hour soo
The 15$ per month plus the 10hrs he used it which is 10$ then is 25$ soo he used it for 10hrs.