Answer:
e. 2
Step-by-step explanation:
Time for job = 3/4 hr/job = 45 minutes to do the whole job.
Answer:
a = 6, b = 22.5
Step-by-step explanation:
One triangle is 2.5 times bigger than the other.
9*2.5=22.5 which means b = 22.5
15/2.5=6 which means a = 6
Answer:
2 
Step-by-step explanation:
Kim was walking down a rocky path. For 4 minutes, the elevation dropped steadily. All together it dropped 8 feet.
So, the change in elevation per minute for the 4 minutes is given by,

= 2 
(Answer)