Question

ayuda porfavor,es para ahora pls

Answer 1

m=5k

n=9k

2m+3n=5k+9k=111

2(5k)+3(9k)=111

10k+27k=111

37k=111

k=111/37=3

==> m=5(3)=15. n=9(3)=27

m+n=15+27=42

x=7p. y=2p

x+5y=68

7p+5(2p)=68

7p+10p=68

17p=68

p=68/17=4

==> y = 2(4)=8