A dozen books cost RS 1920 .Find the cost of 7such books
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Step-by-step explanation:
A one dozen book cost is 1920 means the cost of 12 book is 1920
And cost of seven books are ?
now we have to find the cost of one book
= 1920 ÷ 2
= 960
= 960 ÷ 2
= 480
now we have get the cost of one book is 480
now we have to multiply
= 480 ×7
= 3360
the cost of books are 3360 :- Answer
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