Answer:
Step-by-step explanation:
<em><u>answer</u></em>
100 pages in 2 hours = <u><em>50 pages in 1 hour. </em></u>
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Answer: 31
How: If there are two negative signs like this, you would connect them together and make it into a addition sign where you then can add them.
Answer:

Step-by-step explanation:
The vertical angles have the same measure, so ...
3x +50 = 6x -10
60 = 3x . . . . . add 10-3x
20 = x . . . . . . divide by 3