Răspuns:
a/4 = b/3 = k, k apartine Z
a = 4k
b = 3k
a) p% x a = b, p% = ?
p% x 4k = 3k
4kp/100 = 3k => 4kp = 300k => p = 300k/4k => p = 75 => p% = 75%
b) Ma(a ; b) = 14 => a + b = 14 x 2 = 28
a = 4k
b = 3k, din toate => 4k + 3k = 28
7k = 28
k = 4
a = 16
b = 12
