Question

(a+b):2=6.06
a:b=14.15​

Answer 1

Răspuns:

$\frac{a + b}{2} = \frac{6.06}{1}$

$\frac{a}{b} = \frac{14.15}{1}$

a + b = 12,12 => a = 12,12 - b

$\frac{12.12 - b}{b} = \frac{14.15}{1}$

12,12 - b = 14,15b

12,12 = 15,15b

b = 0,8

a = 12,12 - 0,8

a = 11,32