Question

DAU COROANĂ
E URGENT

Answer 1

$\frac{8 + b}{8} = \frac{8}{5}$

$5(8 + b) = 8 \times 8$

$40 + 5b = 64$

$5b = 64 - 40$

$5b = 24$

$b = \frac{24}{5}$

$b=4.8$

Answer 2

(8+b)x5=8x8
(8+b)x5=64
40+5b=64
5b=64-40
5b=24
b=24/5=> b=4,8
Sper ca te-am ajutat!:)