If Both carpenters working together hours or 2.1 hours will take to build one shed.
Step-by-step explanation:
The given is,
First carpenter estimates that it will take him 3 hours to build a shed
Other carpenter estimates it will take him 7 hours to build a shed
Step:1
Formula to find 1 hour work of carpenters (Ref. Dr. R.S. Aggarwal book)
One hour's work =
Where, n - Number of working hours
From the given,
First carpenters one hour work =
Other carpenters one hour work =
If both are working together,
One hour work of both carpenters =
=
One hour work of both carpenters
First carpenter and second carpenter will complete to build the shed in
= hours = hours
Result:
If Both carpenters working together hours or 2.1 hours will take to build one shed.
Answer: 0.21
Step-by-step explanation:
2/10=0.2
1/100=0.01
0.2+0.01=0.21
It would be in a radius between 6*200 and 8*200
For this case, what you should keep in mind are the following considerations:
1) Rewrite the expressions correctly using the properties of the exponents: Addition, multiplication, division, subtraction and negative exponents.
2) Simplify the expression as much as possible.
Answer:
See attached image.