Question

the weight of 8 book in 5 kg what willbe the weight of 12 such book​

Answer 1

Answer:

19.2 kg

Step-by-step explanation:

weight of one book = 8/5 = 1.6 kg

then weight of 12 books = 1.6 x 12 = 19.2 kg

Answer 2

Answer:

7.5 kg

Step-by-step explanation:

$8 = 5 \\ 12 = x$

$\frac{8}{12} = \frac{5}{x}$

$12 \times \frac{5}{8} = x$

$\frac{60}{8} = x$

$x = 7.5$