Answer:
18
Step-by-step explanation:
33-15=18
41, if I’m mistaken please let me know.
Answer:
The time it takes them to grade the essays if they work together is 1.857 hours
Step-by-step explanation:
- Let t1 is time taken by Professor J = 3 hours
- Let t2 is time taken by the assistant = 5 hours
- Let tb is the time taken by both
The formula for “Work” Problems that involve two persons is
<=>
<=>
<=> tb =
The time it takes them to grade the essays if they work together is 1.857 hours