Solution: Estimated time for the work is 40 hour work week.
Estimated payment to 3 laborers working 40 hours at cost $14 per hour is:
$1680
Estimated payment to 6 masons working 40 hours at cost $24 per hour is:
$5760
Estimated cost of material = $3143
Contractor wishes to make a profit of $500
Therefore, the mathematical expression that will give the estimated cost of the job is:

The estimated total cost is:
Cost =$11083
Answer:
I think it would be around $1.33 for each kg
Step-by-step explanation:
You would divide 12 by 9. Once you do that, you get 1.33
If u check your answer on google ithink u can get
Answer:
240 cubic inches
Step-by-step explanation:
The volume of a rectangular solid is given by LxBxH.
This question has a
,
and
.
So the volume of a rectangular solid is 
Volume
cubic inches
Step-by-step explanation:
using normal distribution aproximation
Check attachment