It takes them 1 7/8 hrs to complete the job together.
How:
Fred = 3 hrs
Jason = 5 hrs
1/3x + 1/5x = 1/x
3x x 5x = 15 —> 3x/15 + 5x/15 = 15/15
3x + 5x = 8x —> 8x/15 = 1.875 = 1 7/8 hrs
Answer:
pretty sure the answer is b if not im sorry
Step-by-step explanation:
<u><em>hope you have a good day sir/ma'am!!</em></u>
The answer is -x/2-8x^2-16/x^2-9.
Hope this helped.
