Question

afla nr m si n,daca m+n=60 si m:n=5

Answer 1

$m + n = 60$

$m = 60 - n$

$m \div n = 5$

$(60 - n) \div n = 5$

$60 - n = 5n$

$- n - 5n = - 60$

$- 6n = - 60 \: | \div ( - 6)$

$n = 10$

$m = 60 - n$

$m = 60 - 10$

$m = 50$