Answer:
False i think
Step-by-step explanation:
3 Hours
4 People does the job in 6 hours if there are twice as many people it gets done twice as fast
Since you answered the first 2 i can go to c and d.
C can really be anything since it's being multiplied by 0 no matter what you put there it will be 0.
But for D it's 1/10^2
Hope this helps ^^