Answer:
20 points
Step-by-step explanation:
Points:
- 21, 13, 14 and x for the last game
Average:
- (21+13+14+x) / 4 = 17
- 48 + x = 4*17
- 48 + x = 68
- x = 68 - 48
- x = 20
They must score 20 points
You can solve this by using the expressions 12+23 and 12-23.
12+23=35
12-23=-11
35 and -11 are 23 units away from 12 on a number line.
Answer:
Step-by-step explanation:
Answer:
11x+16
Step-by-step explanation:
Because x+10x=11x.
Answer:
5 is the third member of the stream triple