Question

Ex 2 va rog! Și... REPEDE!

Answer 1

t=tata

m=mama

c=copil

t+m+c=68 (in prezent)

t-7+m-7+c-7=47 (acum 7 ani)

a) t+8+m+8+c+8=

t+m+c+24=

68+24=92 (peste 8 ani)

t=24+c ==>c=t-24

m=t-1

t-1+t+t-24=68

3t-25=68

3t=93

t=31

m=30

c=31-24=7