Harold, Rhonda, and Brad added water to beakers in science class. The line plot shows the amount of water, in cups, that they added to each of 14 beakers.

Amount of Water Added (cups)
All of the beakers with more than 5/8 of a cup of water added to them were filled by Harold. Harold added a total of
water to his beakers.

All of the beakers with exactly 5/8 of a cup of water added to them were filled by Rhonda. Rhonda added a total of
water to her beakers.
Brad filled the rest of the beakers. Brad added a total of ___ cup(s) of water to his beakers.
cup(s) of water to his beakers.