1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Taya2010 [7]
3 years ago
14

30 men repair a road in 56 days by working 6 hours daily. in how many days 45 men will repair same road by working 7 hours daily

?
Mathematics
1 answer:
zepelin [54]3 years ago
8 0

Answer:

Case1:

Men : 30

Work : 1

Time (day×hr): 56×6 = 336 hr.

Case2:

Men : let it be m men.

Work: 1

Time: 45×7 = 315 hr.

Work being constant in both cases, men and time are in inverse proportion i.e, more men take less time.

Product of men and time is constant in both cases.

Therefore, 30×336=m×315

Or, 30×336/315 = m

Or, m = 32.

Hence, required number of men is 32.

Step-by-step explanation:

You might be interested in
What is the advantage of opening a credit card account at a young age?
soldier1979 [14.2K]

Answer:

A. it helps people begin to build credit history.

Step-by-step explanation: It wants to know an ADVANTAGE! B is NOT an advantage. C high interest rates are very bad and make you pay more so its not C. D do i even really have to explain? lol the correct answer is A :)

3 0
3 years ago
Read 2 more answers
Is 0.709 better than 0.81 or is it twisted around?
butalik [34]

Answer:

twisted.................

4 0
3 years ago
Could y’all help? I’m struggling
Tanzania [10]
X could be 10 - False
X could be 45 - True
X could be -10 - False

X could be -18 - False
X could be 18 - False
X could be 0 - False
4 0
3 years ago
What is 4 more tens and 6 more ones than the number 41
Ivahew [28]
It is 87
Hope that helped
3 0
4 years ago
Read 2 more answers
What is the mathematical process of parabolas and how do they help us in the real world?
Talja [164]

Answer:

parabolas (quadratic curves)

in the real world -

any trajectory of any item that is thrown on earth can be represented as a quadratic equation.

I do not know what you mean by the mathematical process.  

Step-by-step explanation:

7 0
3 years ago
Other questions:
  • The city planning committee is discussing making a bike path extension in its city park. They have a $5050 budget for the propos
    13·1 answer
  • Carrie planted 48 tullips in 12 minutes how many tulips did she plant per mintue
    11·1 answer
  • How do I subtract 6:30 minus 40 minutes
    12·2 answers
  • What is the arithmetic sequence of -1.2, 0.6 , 1.8 , 3.0​
    11·1 answer
  • Simplify each as much as possible. Remember PEMDAS:
    8·2 answers
  • Need help with 21: thank you!!
    11·1 answer
  • 1. The polynomial 16x + 2 is a what?
    12·2 answers
  • AYUDAAA ES PARA HOYYYY​
    10·1 answer
  • Name at least four ratios you see in the picture of the animals.
    10·1 answer
  • If x2 = 30, what is the value of x?<br> +60<br> +15<br> 130<br> O: 15
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!