Answer:
I'm pretty sure he or she are right^^
Step-by-step explanation:
I know
Answer: 12.5
Step-by-step explanation: Well 50 diviedby 4 = 12.5
Answer:
y= -
x+16
Step-by-step explanation:

-
-
=slope
13=-
(5)+C
13=-3+C
16=C=y intercept
Solution:
we have been asked to find
How much more time did Maria spend doing research ?
Maria spends doing research = 30%
and using email = 15% of a day (24 hours)
Time spent on research = 30% of 24 = 
Time spent on checking email = 15% of 24 = 
so, 
Hence , Maria spends 3.6 hours more on doing research than checking email.