Hey there! :D
First, convert 10 1/2 to a fraction with 4.


The fraction is already in its simplest form, so you don't have to change it.
I hope this helps!
~kaikers
Answer:
d
Step-by-step explanation:
i jut did it in google calculator (trust me)
Answer:
4)d)9/10
5)a)20
6)b)3/10
7)b)3/7
Step-by-step explanation:
Answer: 18:54
:))) have a good day.