Jim and his dad are bricklayers. jim can lay bricks for a fireplace and chimney in 5 days. with his father's he can build it in 2 days. how long would it take his father to build it alone?

Step-by-step explanation:

we know that

Jim can do the work in 5 days

so

The 100% of the work in 5 days

by proportion

Find out how much can do in 2 days

Let

x ----> the percentage of the work in 2 days

Remember that

Jim and his dad can do the work in 2 days

so

The 100% of the work in 2 days

Jim in 2 days can do 40% of the work

therefore

His dad in 2 days can do (100%-40%)=60%

by proportion

Find out how long would it take his father to build it alone

Let

x -----> the time it take his father to build it alone

Convert to mixed number

the  office resources  are the human, physical and financial  resources  which are utilized for performing all the activities in order to achieve the organizational objectives.

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54 kilometers per hour

step-by-step explanation:

according to rules:

1 km = 1000 meter

which means that 1 meter = 1/1000 km

1 hour = 3600 second [ as 1 hour = 60 min = 60 *60 seconds ]

which means that 1 second = 1/3600 hour

therefore, 1 kilometer/hour =

thus to convert 15 meter per second to kilometer per hour, we multiply 15 to 3.6 kilometer/hour.

15 meter/second=   which is the required answer.