Answer:
You have the correct answer selected, (C.) Die stock. I hope this helps you! Good luck! : )
Answer:
As a reduced fraction:
minutes, which is 24 minutes
Step-by-step explanation:
Sam's speed is 1 lawn in 40 minutes. Vanessa's speed is 1 lawn in 60 minutes. If they both work together, the total speed is:

Which means that the total speed would be 5 lawns in 120 minutes. To find the time it would take to mow one lawn at that speed, we need to invert that speed so we get minutes per lawn:

Her average speed was 10 miles per hour.
Answer x=1/5
6x-3=-9x
-3=-15x
-3/-15x=1/5