Question

Mr Castle shares out 80 marbles between emily and asif in the ratio of 7:1 
how many marbles will each child get 

Answer 1

$x-Asif's\ marables\\7x-Emili's\ marables\\\\x+7x=80\\8x=80\ \ \ \ \ \ \ |:8\\x=10\\\\7*10=70\\\\Asif\ get\ 10\ marables\ and\ Emily\ get\ 70.$