Question

x/4=9/y => xy-2=? ; 2(a+3)=3 (b+2)=> a/b=? , b/a=? ; a/b=1/3 și b-a=6=>a=?, b=?

Answer 1

xy-2=36-2=34
2a=3b
a/b=3/2
b/a=2/3

a/b=1/3
b-a=6
3a-a=6
2a=6
a=3
b=3·3=9