Plzz help me in 18 question
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Hope all your doubts are solved now. If there are some, ask in the comments.
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geetanshi22:
I have one doubt that u have over there written 5 over 12....... But it is 7 over 12 can u tell me how 5 over 12 came
I have one doubt that u have over there written 5 over 12....... But it is 7 over 12 can u tell me how 5 over 12 came
1-7/12 = 5/12
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let the number of pages be x ,
7÷12 means (7÷12)x ,
(7÷12)x+30=x
(7x÷12)+30=x
7x+360=12x
12x-7x=+360
5x=+360
so ,
x=72 .
the book has 72 pages .
7÷12 means (7÷12)x ,
(7÷12)x+30=x
(7x÷12)+30=x
7x+360=12x
12x-7x=+360
5x=+360
so ,
x=72 .
the book has 72 pages .
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