Question

m + t + a = 30
t = m ÷ 2
t = a × 3
--------------
m,t,a=?
Ajutatima va rog !

Answer 1

t=m:2deci m=2xt

t=ax3 deci a=t:3

m+t+a=30

2xt+t+t:3=30 Ix3

6t+3t+t=90

10t=90

t=90:10

t=9  deci m=18 si a=3