According to the information given in the exercise, you know that 1 strand much measure 1.25 centimeters long.
Then, let be "x" the amount of twine (in centimeters) she needs for the art project.
Using the information provided, you can set up the following proportion:
Now, you must solve for "x" in order to find its value, as following:
Renee needs 40 centimeters of twine for her art project.
Then, the answer is: