Eli is a 12.5 pounds of potatoes to make mashed potatoes. She uses one tenth as many pounds of butter as potatoes. How many pounds of butter does Ellie use

Eli used 1.25 pounds of butter to make mashed potato.            

Step-by-step explanation:

We are given the following in the question:

Amount of potato used by Eli = 12.5 pounds

Amount of butter used =

Thus, pounds of butter used by Eli is:

Thus, Eli used 1.25 pounds of butter to make mashed potato.