Question

vasu bought 12 notebooks for rupees 132 find the cost of 7 notebooks​

Answer 1

Answer:

Step-by-step explanation:

Cost of 12 books = ₹132

Cost of 1 Book = 132/12

                        =11

So, Cost of 7 books = 11 X 7 =  ₹77

Answer 2

$\mathcal{COST \: OF \: 12 \: NOTEBOOKS :- 12}$

$\mathcal{ COST \: OF \: 1 \: BOOK \: = \frac{132}{12 } = 11}$

$\mathcal{COST \: OF \: \: 7 \: \: NOTEBOOKS \: }$

$= 11 \times 7 = 77$