Lillian needed too extend her rope the current rope was 8 3/4 feet. she cut a peace of rope that mesured 4.5 feet and added it to the existing peace of rope what is the new length of the rope ?
a. 4 1/4 feet
b. 4 1/2 feet
c. 12 3/4 feet
d. 13 1/4 feet
