Twelve books can be bought for * 600.
If the price of each book increases such
that there is a total increase of 30, how
many books can be bought for the same
amount?
Answers
Answer:
Approximately 11 books can be bought
Step-by-step explanation:
Given,
The number of books = 12,
Total cost = 600 rupees,
So, the price of each book = \frac{\text{Total cost}}{\text{Total books}}
Total books
Total cost
=\frac{600}{12}=
12
600
= 50 rupees,
If the price of each book is increased by x,
Then total increment = 12x
According to the question,
12x=3012x=30
x=\frac{30}{12}=2.5x=
12
30
=2.5
i.e. price of each book is increased by 2.5,
New price of each book = 50 + 2.5 = 52.5 rupees,
Hence, new number of books = \frac{\text{Total cost}}{\text{New price of each book}}
New price of each book
Total cost
=\frac{600}{52.5}=
52.5
600
≈ 11
#Learn more:
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