Solution :
Given that, Celia earned $5.00.
She saved $1.00 and spent the rest.
To find the ratio of the amount saved to the amount spent , we must first calculate the amount spent.
To calculate the amount spent, subtract the amount saved from the total money earned.
Amount spent by Celia = amount earned - amount saved


Hence, 1:4 is the ratio of the amount saved to the amount spent.