Marlon earned 50 by selling newspaper if he puts 1/5 of his money in his piggy bank how much did he save?
Marlon saves ₱10 in his piggy bank.
Just multiply the given numbers. There's also a keyword to know the operation you're gonna use. The keyword in this question is "if he puts" that means you're gonna multiply them to know the number he save on his piggy bank by selling newspapers.