The charges for a graphics designer is partially fixed and partially variable with the number of hours. The charge is Rs.550 for 4.5 hours and Rs.300 for 2 hours. Find the charges of 1 hour?

100

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200

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300

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400

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Solution

The correct option is B 200
The total charge = Fixed component +Variable component

Z= F+kx

Where F and x are fixed

550 =F +k(4.5)

300=F + k(2)

Solving simultaneously, F= 100 and k= 100

Charges for 1 hour = 100 +1(100) =200

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The charges for a graphics designer is partially fixed and partially variable with the number of hours. The charge is Rs.550 for 4.5 hours and Rs.300 for 2 hours. Find the charges of 1 hour?

The correct option is B 200 The total charge = Fixed component +Variable component Z= F+kx Where F and x are fixed 550 =F +k(4.5) 300=F + k(2) Solving simultaneously, F= 100 and k= 100 Charges for 1 hour = 100 +1(100) =200

The correct option is B 200
The total charge = Fixed component +Variable component

Z= F+kx

Where F and x are fixed

550 =F +k(4.5)

300=F + k(2)

Solving simultaneously, F= 100 and k= 100

Charges for 1 hour = 100 +1(100) =200