The rate of mr Rodriguez to complete 1 job is 1/3 while
that of his assistant is 1/4.5.
So if mr Rodriguez works for 1 hour, the job left would be
2/3 of the job. So the total time needed by assistant is:
(2/3) / (1/4.5) = 3 hours
Answer:
<span>3 hours</span>
Answer:
824 feet
Step-by-step explanation:
Got it right on Plato
Answer:
Step-by-step explanation:
The function f(x) is 3x+5
● (f-1)(x) = 3x+5 -1
● (f-1)(x) = 3x+4
Replace x with 3
● (f-1)(x) = 3×3+4 = 13