Answer:
80 hours
Step-by-step explanation:
20 times 4
She worked 5 hours a day
20 / 4 = 5
You got no graphs btw :/
But hope I help a lil bit :]
I think it is function also.
19xy + 16z
combine like terms
7xy +1 2xy= 19xy
8z - 2z + 10z = 16z
5 3/7 - 2 1/5 -> 38/7 - 11/5 = 27/2 = 13 1/2
the answer is 1,208.74