The bookshop of a particular school has 10 dozen chemistry books, 8 dozen physics books, 10 dozen economics books. Their selling prices are Rs. 80, Rs. 60 and Rs. 40 each respectively. Find the total amount the bookshop will receive from selling all the books using matrix algebra.
Note => Don't Spam Tell me Correct answer ❌
Answers
Answered by
2
Explanation:
No. of chemistry books =10 dozen =10×12=120
No. of physics books =8 dozen =8×12=96
No. of Economics books =10 dozen =10×12=120
Now, S.P of 1 chemistry book = Rs. 80
S.P of 1 Physics book = Rs. 60
S.P. of 1 economic book = Rs. 40
Total S.P. =[
120
96
120
]
⎣
⎢
⎢
⎡
80
60
40
⎦
⎥
⎥
⎤
=120×80+96×60+120×40
=9600+5760+4800
= Rs. 20160
verified_toppr
Answered by
5
the branch of science concerned with the nature and properties of matter and energy. The subject matter of physics includes mechanics, heat, light and other radiation, sound, electricity, magnetism, and the structure of atoms.
Similar questions