Answer:
C
Step-by-step explanation:
Eliminate the fractions by multiplying by least common multiple.
4,9,12 all go into 36 evenly. Multiply entire equation by 36.
36/4 = 9
36/9 = 4
36/12 = 3
New equation looks like:
The absolute value is |5| = -5
It takes 8 minutes
The robot can complete 7.5 tasks in an hour
Same thing is happening to me!