Answer:
6.6%
Step-by-step explanation:
16*18 is 288
what do u mean by "<span>I double and halve"</span>
Set up the equation ... 60 + 40X = total charges... where X is the number of hours (8.5)
60 + 40(8.5) = ?
60 + 340 = ?
400 = total charges
4f=2500 because 4 trips from 2500 means

.
You know that D is 35° cause of the angle next to F. and <E=180-(120+35) so E is 25°