Answer :
For this exercise it is important to remember the following:
[tex]1yard=36inches[/tex]You know that grandma measured out 2 yards of material, then you need to make the conversion from yards to inches, in order to calculate how many inches grandma measured out. Then, this is:
[tex](2yd)(\frac{36in}{1yd})=72in[/tex]Therefore, grandma measured out 72 inches of material.
The answer is:
[tex]72in[/tex]