If a material is sold for Rs.34.80, there is a loss of 25%. Find out the cost price of the material?
Rs.46.40 Rs.44 Rs.42 Rs.47.20
Explanation: SP = 34.80 Loss = 25% CP = $\dfrac{100}{(100 - Loss\%)} \times SP$ = $\dfrac{100}{(100 - 25)} \times 34.80$ = $\dfrac{100}{75}$ x 34.80 = $\dfrac{4 \times 34.80}{3}$ = 4 x 11.60 = 46.40
Next Question A shopkeeper expects a gain of 22.5% on his cost price. If in a week, his sale was of Rs. 392, what was his profit?
When a commodity is sold for \$34.80, thre is a loss of 2%. What is the cost price of the commodity? The answer choices are as follow: \$26.10 \$43 \$43.20 \$46.40 I tried to solve this by multiplying 34.80 dollars to 98 percent But the answer key states that the answer is \$46.40. Cost Price = (100/75 x 34.80) which yields \$46.40. I don't know how it ended up with 100/75 in the solution, or how there's even 75 in it. I suspect the problem has some kind of typographical error.. Or if none, how did it wind up as $46.40? Please help me understand this problem and reconcile the problem itself, the answer key I have and the solution I made earlier. (My suspicion is that it has a typo error. It has a 25% loss not 2%.) PS I am a first yr college student struggling with word problems, specifically. Thank you!
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