Answer:
3 1/2
Step-by-step explanation:
1/4 + 1/4
(1x4) + (1x4)
=_________
4x4
=8/16
8÷8
16÷8
=3 1/2
fr
C) 50
This is because -10 x 5 = -50 and if you have 20 points to start with, you just do 20-(-30)=20 and two minuses make a plus so it is 20 + 30 which is 50.