Answer:
in one minute they rake
leaves working together.
Step-by-step explanation:
If Maya rakes the leaves in x minutes, then, in one minute she rakes
leaves.
In the case of Carla, if she rakes the leaves in y minutes, in one minute she rakes
leaves.
Therefore, to know the portion of leaves they can rake in one minute working together, we need to sum up both of the portions each one of them rake in one minute, this gives us: 
Now, to simplify this expression:

Thus, in one minute they rake
leaves.
The question is proportional because oleg runs at a constant rate, of 8.8 miles in 80 minutes, or 6.6 mph
Answer:
square, rectangle, square, triangle
Step-by-step explanation:
88.1% is the markup. Hope this helps!
Answer:
true
Step-by-step explanation: