Answer:
Total 25.45 hours will be taken to empty the pool.
Step-by-step explanation:
Time taken by large pumpkin to empty the pool=40 hours
Time taken by the smaller pumpkins to empty the pool=70 hours
Amount of pool emptied by large pumpkin in one hour=
Amount of pool emptied by small pumpkin in one hour=
Amount of pool emptied in one hour if both pumpkins work together=
+ 
=
Therefore, the no. of days will be the reciprocal of the amount of work done in one hour ie . 
Total 25.45 hours will be taken to empty the pool.
The range is 11- 3 = 8 Adding 5 would not affect the range.
Answer:
No because the line does not pass through the origin
Step-by-step explanation:
to be proportional it has to go through the origin
Answer:
900
Step-by-step explanation:
(n-2)*180
5*180=900