Question

a:b=4rest 15 a-b=84 c=64 se cere a+b+c

Answer 1

(a + 150 ) : b = 4;

 a + 150 = 4 b;
 a = 4b - 150;
a - b = 84;
a = b + 84;

c = 64;

4b - 150 = b + 84;
3b = 234;
b = 234 : 3;
b = 78;

 a = 78 + 84;
a = 162;

a + b + c = 162 + 78 + 64 = 304.