A book seller sold 30% of his books and left with 420books.how many books did he have initially in his stock??
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Hey!
Let the number of books initially in stock be 100x.
Book sold =30% = 100x*30/100= 30x.
Books remaining= 100x-30x=70x.
Also books remaining= 420.
So 70x= 420.
x= 420/70.
x= 6.
100x=100*6.
= 600books.
Initially book seller had stock of 600 books.
Hope it helps.
Let the number of books initially in stock be 100x.
Book sold =30% = 100x*30/100= 30x.
Books remaining= 100x-30x=70x.
Also books remaining= 420.
So 70x= 420.
x= 420/70.
x= 6.
100x=100*6.
= 600books.
Initially book seller had stock of 600 books.
Hope it helps.
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