Instructions
Study the following graph carefully to answer these questions.
Quantity of Various Items Sold and Price Per kg.
Question 130
If the quantity of corriander sold is increased by 200% and the price per kg. is reduced by 8%, what will be the total cost of corriander sold ?
Solution
Original quantity of coriander sold = 200 kg
New quantity if it is increased by 200 % = $$200 + \frac{200}{100} \times 200 = 600$$ kg
Original price per kg = Rs. 70
New price if it is reduced by 8 % = $$70 - \frac{8}{100} \times 70 = $$Rs. $$64.40$$
$$\therefore$$ Total cost of coriander sold = $$600 \times 64.40$$
= Rs. $$38,640$$
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