Question

problema b va rog !!!!!!!!!!

Answer 1

a=primul copil
b=al doilea copil
c=al treilea copil
a+b+c=300
b=2a
c=b+25⇒c=2a+25⇒a+2a+2a+25=300⇒5a+25=300
⇒5a=300-25=275⇒ a=275:5
⇒a=55⇒b=55*2=110⇒c=110+25=135
verificare:55+110+135=300

Sper ca te-am ajutat!

Answer 2

p I------I------I
d I------I
t  I------I------I--I
                    25

300-25=275
275/5=55
p= 55x2=110
d= 55
t= 55x2=110+25=135.


SUCCES!!!!!!