Question

a+b+c=147
b:a=4 rest 12
c:a=3 rest 7​

Answer 1

Răspuns:

Explicație pas cu pas:

a+b+c=147

b:a=4 rest 12  ⇒b-12= 4a  ⇒b= 4a+12

c:a=3 rest 7​   ⇒c-7= 3a     ⇒ c=3a+7

a + (4a+12) + (3a+7) =147

8a =147-12-7

8a= 128

a=16

b= 4a+12

b= 4*16+12

b=76

c=3a+7

c= 3*16+7

c=55

Vf :

16+76+55=147

Succes !