1) Find the cost of
30 note books at the rate
of 200 perdezen
Answers
Answered by
2
Step-by-step explanation:
Dozen means 12 books
so,
12books=20rs
30books=?
let the cost of 30 books be x
cross multiply
we get,
30*20=12*x
30*20/12=x
600/12=x
50=x
therefore the cost of 30 books is R.s 50
Answered by
0
Answer:
₹500
Step-by-step explanation:
Cost of 12 notebooks = ₹200
Cost of one notebook = ₹200/12 = ₹16.67
Cost of 30 Notebooks = ₹16.67 ×30 = ₹500.1
500.1 can be estimated into 500.
∴₹500
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