Answer:
D
Step-by-step explanation:
Using the rule of radicals
= 
×
⇔ 
Given
× 
=
× 
=
× 
Cancel
on numerator/ denominator
=
× 
=
× 
Cancel
on numerator/ denominator, leaving
=
→ D
To solve this problem you must apply the proccedure shown below:
1. Let's call
to the number of equipment operators and
to the numbers of laborers.
2. Based on the information given in the problem above, you can make a system of equation, as following:

3. By applying the method of substitution, you can solve for
from the second equation and substitute it into the first equation to solve for
, as following:

4. Now, substitute the value of
into the second equation to calculate
:

The answer is: 19 equipment operators and 13 laborers.
Answer:
3
Step-by-step explanation:
12/4=3
Answer:
Y=Mx + b
Step-by-step explanation:
Answer:
40400
Step-by-step explanation: