Answer:
quart
Explanation:
Given:
Riley drink 4/5 quart of iced tea
And her friend drink 0 3/10 quart of iced tea
Question asked:
how much more of a quart of iced tea did Riley drink than her friend = ?
Solution:
Riley drank of iced tea =

Her friend drank of iced tea =

=

We will subtract the share of her friend from Riley's share
Riley drank more than her friend =
=

=

Thus, Riley drank
quart more than her friend.