Answer:
For the scientists it would take 4 hours to make 1000 units
Answer: 4 Cups
I think in order to solve this, you would need to add up the fractions that they used. So it would be,
Transform the Expressions
Calculate the sum
Reduce
Transform the Expression
Calculate
Reduce the Fraction

Please mark brainliest if this helped you :)
Answer:

Step-by-step explanation:
The total of legs needed to build the stools are:


Likewise the total length of the legs is:


Lastly, the quantity of rods that needed to buy is:


Answer:

Step-by-step explanation:
