Question

daca n +p=978 si n:p=5,triplul lui n este:

Answer 1

n:p=5 => n=5p =>5p + p =978 => 6p= 978 => p=978:6 => p=163 => 3p=163 ori 3 => 3p=486

Answer 2

n+p=978
n:p=5
3*n=?????

n=5p
n+p=978
5p+p=978
6p=978
p=978:6
p=163
n=163*5
n=815

n*3=?
815*3=2445(triplul)