Q. Imagine you go to a store and see two different deals on notebooks. The first deal offers notebooks at a price of ₹2.75 each, and you need to buy 5 notebooks. The second deal offers notebooks in bulk, with a pack of 4 notebooks costing ₹10.a) Calculate the total cost of buying 5 notebooks individually at ₹2.75 each. b) Calculate the cost per notebook if you buy a pack of 4 notebooks for ₹10. c) Considering your calculations, which deal is more economical if you need to buy 5 notebooks? Explain your answer. d) If another deal offered notebooks at a price of ₹2.80 each, would it be a better option than both the previous deals for buying 5 notebooks? Why or why not?
Question
Q. Imagine you go to a store and see two different deals on notebooks. The first deal offers notebooks at a price of ₹2.75 each, and you need to buy 5 notebooks. The second deal offers notebooks in bulk, with a pack of 4 notebooks costing ₹10.a) Calculate the total cost of buying 5 notebooks individually at ₹2.75 each. b) Calculate the cost per notebook if you buy a pack of 4 notebooks for ₹10. c) Considering your calculations, which deal is more economical if you need to buy 5 notebooks? Explain your answer. d) If another deal offered notebooks at a price of ₹2.80 each, would it be a better option than both the previous deals for buying 5 notebooks? Why or why not?
Solution
a) To calculate the total cost of buying 5 notebooks individually at ₹2.75 each, you simply multiply the price of one notebook by the number of notebooks. So, 2.75 * 5 = ₹13.75.
b) To calculate the cost per notebook if you buy a pack of 4 notebooks for ₹10, you divide the total cost of the pack by the number of notebooks in the pack. So, 10 / 4 = ₹2.50 per notebook.
c) If you need to buy 5 notebooks, the first deal would cost you ₹13.75, while the second deal would cost you ₹10 for the first 4 notebooks and an additional ₹2.50 for the fifth notebook, totaling ₹12.50. Therefore, the second deal is more economical.
d) If another deal offered notebooks at a price of ₹2.80 each, the total cost for 5 notebooks would be 2.80 * 5 = ₹14.00. This is more expensive than both the first deal (₹13.75) and the second deal (₹12.50). Therefore, it would not be a better option.
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