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Virty [35]
3 years ago
8

a group of five people can do a piece of work in 6 hours calculate the time a group of 8 people will take to complete the same w

ork ​
Mathematics
2 answers:
frosja888 [35]3 years ago
5 0

Answer:

3.75 hours

Step-by-step explanation:

Total time needed

5 * 6 = 30 hours

with 8 people

30/8 = 3.75 hours

uysha [10]3 years ago
5 0
3.75 hours i think
5•6=30
30/8=3.75
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What are the multiples of 24?​
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1,2,3,4,6,8,12,24

Step-by-step explanation:

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Juanita will work for 4 7/8 hours at her job on Saturday. if she also volunteers for 2 1/3 hours at the hospital, how many hours
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Step-by-step explanation:

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3 years ago
Camille's birthday party will cost $32 if she invites 16 guests. How many guests can there be, at most, if Camille can afford to
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2 years ago
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In preparing a certain ointment, a pharmacist used 28.35 g of zinc oxide instead of the 31.1 g called for. Calculate the percent
Vilka [71]

Answer: 9.70%

Step-by-step explanation:

The formula to find the percentage error is given by :-

\%\text{ error}=\dfrac{|\text{Estimate-Actual}|}{\text{Actual}}\times100

Given : Actual mass of zinc oxide used by pharmacist = 28.35 g

Estimated mass of zinc oxide used by pharmacist =31.1 g

Now, \%\text{ error}=\dfrac{|31.1-28.35|}{28.35}\times100

i.e. \%\text{ error}=\dfrac{2.75}{28.35}\times100

i.e. \%\text{ error}=9.70017636684\approx9.70\%

Hence, the  percentage of error on the basis of the desired quantity.= 9.70%

5 0
3 years ago
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.
defon

Answer:  84

<u>Step-by-step explanation:</u>

Set up a proportion as follows: \dfrac{\text{students that practice everyday}}{\text{total students}}

\dfrac{7}{12}=\dfrac{x}{144}

Cross multiply: 12x = 7 × 144

Divide by 12:         x = 7 × 12

Simplify:                x = 84

6 0
3 years ago
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