Answer:
-7/2 degrees per hour
Step-by-step explanation:
Divide the total change (-12 1/4 degrees) by the total time elapsed (3 1/2 hrs):
-49/4 degrees -49(2)
------------------------ = ------------- = -7/2 degrees per hour
7/2 hrs 4(7)
Answer:
1 1/2
Step-by-step explanation:
one and a half because you have a half leftover and 1 whole
Answer:
C. 128 cells
Step-by-step explanation:
Answer:
Bella can complete work alone in 120 minutes
Step-by-step explanation:
Ana and Bella together can complete the shoveling in 30 minutes.
They can do a part of work in 1 minute =
Ana can do work alone in 40 minutes
She can do part of work in 1 minute =
So, Bella can do a part of work in 1 minute =
=
Bella can do part of work in 1 minute
Bella can do whole work in minutes = 120
Hence Bella can complete work alone in 120 minutes