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hodyreva [135]
3 years ago
8

Mr. sharrone can paper a room in 3 hours. his assistant needs 5 hours. if mr. sharrone works 1 hour and then his assistant compl

etes the job alone, how long will it take the assistant to finish the job?
Mathematics
1 answer:
german3 years ago
5 0
Mr Sharrone can do 1/3 of the job each hour 
<span>the assistant does 1/5 of the job each hour </span>

<span>1(1/3) + H (1/5) = 1 (complete job) </span>
<span>1/3 + 1/5 H = 1 </span>
<span>1/5 H = 1 - 1/3 = 2/3 </span>
<span>H = (2/3) / (1/5) = 10/3 = 3 1/3 hours to complete the job</span>
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Scrat [10]

Answer:

Step-by-step explanation:

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4 0
2 years ago
The question and the answers choices are in the picture please and thank you :)
joja [24]

Answer:

Option 3

Step-by-step explanation:

Hope this helps

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8 0
2 years ago
The weight of a bull clad is 388 kilograms. If it’s weight increases at a rate of 1 2/5 kilograms per day how long it will take
Alex73 [517]

Answer:

It will take  <u><em>80 days</em></u>  for the bull calf to reach a weight of 500 kilograms.

Step-by-step explanation:

Given:

The weight of a bull calf is 388 kilograms.

Now, to find the weight of bull calf of how long it will take to reach a weight of 500 kilograms, if it’s weight increases at a rate of 1 2/5 kilograms per day.

Required weight which to be increased = 500 - 388 = 112 kilograms.

Rate of weight increase = 1\frac{2}{5}=\frac{7}{5}

                                        = 1.4\ kilograms.

Thus, the time required = \frac{required\ weight}{rate\ of\ weight}

                                        = \frac{112}{1.4}

                                        = 80.

<em>The time required   =    80 days</em>.

Therefore, it will take 80 days for the bull calf to reach a weight of 500 kilograms.

5 0
3 years ago
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never [62]
It would be 12.5 square miles I would appreciate the Brainliest
8 0
2 years ago
PLEASE HELP
a_sh-v [17]

Answer:

x = 8 and y = - 1

Step-by-step explanation:

The equation of a vertical line parallel to the y- axis is

x = c

where c is the value of the x- coordinates the line passes through

The line passes through (8, - 1 ) with x- coordinate 8, then

x = 8 ← equation of vertical line

The equation of a horizontal line parallel to the x- axis is

y = c

where c is the value of the y- coordinates the line passes through

The line passes through (8, - 1 ) with y- coordinate - 1, then

y = - 1 ← equation of horizontal line

7 0
2 years ago
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