Answer:
a)50%,b)70%
Step-by-step explanation:
odd=5
10=100%
5
5×100=500/10
=50%
10=100%
(7×100)/10=70
The answer is 4 miles in a hour.
This is very confusing what are you trying to figure out give a little more information and I will be more than happy to hell you
Converting degrees to radians is easy if you remember,

So anytime you have an angle, just divide by 180 and put pi on the end.