Question

Daca
$a \times 3 = b \times 4 = 3 \: \: \: \: \: \: \: \: \: \:$
atunci a=?

Answer 1

3a=4b 
a = 4b/ 3
a = 12 / 3
a= 4

Answer 2

a x 3 = b x 4 = 3

b/3 = a/4

a = b x 4/3

a = 3 x 4/3

a = 12/3

a = 4