Answer:
Ricardo hiked 29 miles.
Step-by-step explanation:
10 6/11 x 2 3/4
convert
116/11 x 11/4 = 1276/44
1276/44 = 29
this is correct
f continous in x=30 means that it should be the same value for 1.25 x 30 and 1.10 x 30 + k so k =4.5
900
(n-2)*180
5*180=900