The correct answer should be B.
Answer: 60 hours
(I'll help you with the first one only because you need to learn this)
Step-by-step explanation: 36 divided by 3 is 12 and 720 divided by 12 is 60
C. -5.4 -17.6+12.2= -5.4 because -17.6 goes first in the calculator but also its a negative
Answer:
35/12
Step-by-step explanation:
2 1/2 is 5/2
1 1/6 is 7/6
Multiply these together to get (5*7)/(2*6) or 35/12.