Question

Faceti ce stiti, ajutor​

Answer 1

(a+b+c)/3=100

a+b+c=100×3

a+b+c=300

a/2=b/3=c/5=k

a=2k

b=3k

c=5k

2k+3k+5k=300

10k=300

k=300:10

k=30

a=2×30

a=60

b=3×30

b=90

c=5×30

c=150