Question

Ce numere a,b,c indeplinesc simultan conditiile: a+b+c=458 a:b=3 b < c cu 33?

Answer 1

Răspuns:

a:b=3 rezulta ca a=3×b

b=c-33 deci c=b+33

3×b+b+b+33=458

5b+33=458

5b= 458-33=425

b=425:5=85

c=85+33=118

a=3×85=255

V: 255+85+118=458