The tip for excellent service in a restaurant is $20 for every $100 of the meal. what is the total bill (cost of meal plus tip) for a $60 meal?

Compare the subtraction problems 6/8 - 5/8 = 1/8 and 6/9 - 7/9 = 1/9 why is the answer to the first problem positive and the answer to the second problem negative

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

If angle 2=3x +1 and angle 3=2x +4what is angle 2