An algebra problem by Adil imran

Algebra Level 1

6 books weigh 1.260kg.How many books will weigh 3.150kg.


The answer is 15.

Adil Imran by Adil imran , 20

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1 solution

Hassan Raza
Jul 30, 2014

W i e g h o f 6 B o o k s = 1.260 k g W i e g h o f 1 B o o k = 0.21 k g W i e g h o f 15 B o o k s = 15 ( 0.21 ) k g = 3.150 k g t h u s t h e a n s w e r i s 15 Wiegh\quad of\quad 6\quad Books=1.260\quad kg\\ Wiegh\quad of\quad 1\quad Book=\quad 0.21\quad kg\\ Wiegh\quad of\quad 15\quad Books=15(0.21)\quad kg\\ =3.150\quad kg\\ thus\quad the\quad answer\quad is\quad \boxed { 15 } \quad

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