Mathematics: To carry a bag of 50kg rice at the distance of 4 km a porter charges Rs.75. How much does the porter charge at the same rate to carry a bag of 80kg rice to the distance of 10km? b. 500 d. 700 a. 400 c. 600

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To carry a bag of 50kg rice at the distance of

raquelwilliams5795

10.04.2021

The porter charges Rs 300 at this rate.

Step-by-step explanation:

We solve this question by proportions, using rule of three.

75 Rs - 4 km - 50 kg

x Rs - 10 km - 80 kg

Relationship between the variables:

As the distance, or the weight increase, the rate will increase. This means that:

$\frac{75}{x} = \frac{4*50}{10*80}$

$\frac{75}{x} = \frac{200}{800}$

$\frac{75}{x} = \frac{2}{8}$

$x = \frac{75*8}{2} = 75*4 = 300$

The porter charges Rs 300 at this rate.

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