Question

Problema 9 please help me!

Answer 1

Răspuns:

Explicație pas cu pas:

a+b+c=9878

a=b/4

c=b/2+15    ⇒       b/4+b+b/2+15=9878⇒   b+4b+2b+60=9878×4⇒

7b=39452      b=5636

a=5636:4=1409

c=5636:2+15=2833

Answer 2

Răspuns:

Explicație pas cu pas:

a+b+c=9878

a=b/4=> b=4a

c=b/2+15=>c=4a/2+15=>=2a+15

a+4a+2a+15=9878

7a=9878-15

7a=9863=>a=9863:7=>a=1409

b=4a=>b=4 ori1409=>b=5636

c=2a+15=>c=2 ori 1409+15=>c=2833