Answer:
30$
Step-by-step explanation:
1st sister is 3x
2nd sister 2x
3th is x
3x+2x+x=180
6x=180
X=30
the right answer would be 13
a) 7
b) -8.2
c) 0
d) -7
e) -1 3/4
f) 121
Just put the opposite for each one. The absolute value is the distance away from 0.
A. It takes the robot 3/20 hour to complete one task
B. The robot can complete 6 2/3 task in on hour
13 and 6
to the first one the answer is 0. To the number 2 the answer is 2
