The instructions state that Cheryl needs 2 square yards of one type of material and 1/2 square yards of another type of material for a project. She buys exactly that amount. After finishing the project, however, she has 5/10 square yards left that she did not use. What is the total amount of square yards of material Cheryl used?	Choose the correct choice from the following choices.
A) 1/12 B) 1/9 C) 2 D) 1 1/9 E) 2 1/9
total bought = 2+1/2   left part 5/10---&gt;1/2   so used part  2+1/2-1/2= 
<gadget id="calculator"> 2+1/2-1/2</gadget>
<output>2</output>
2   Ans 2
<result>C</result>
The instructions state that Cheryl needs 2 square yards of one type of material and 1/2 square yards of another type of material for a project. She buys exactly that amount. After finishing the project, however, she has 5/10 square yards left that she did not use. What is the total amount of square yards of material Cheryl used?