Phillipa rode her bicycle every day over the weekend. Phillipa rode
[
(
13
.
5
+
8
.
5
)
÷
2
]
miles on Friday,
[
18
−
(
2
×
4
)
]
miles on Saturday and
[
20
−
(
5
−
3
)
]
miles on Sunday.
On which day did Phillipa ride her bicycle the most?
She rode her bicycle the most on