Answer:
Answer =
Step-by-step explanation:
Step 1:-
simplifying
base are equal powers are added
on simplification
1 hour equals 70 miles so 70 times 4 equals 280 and half of 70 is 35 since you traveled 4.5 hours and 280+35 equals 315
1/2............................................ I hope this helps
Answer:
=
1
1
2
Step-by-step explanation:
.