The average speed for the trip is 11 miles per hour, or mph. 99 miles divided by 9 is 11
< the bigger number is facing the back of the arrow it points to the smaller number Example: 1<2
Answer:
x + y = 20
x - y = 4
Add the 2 equations and get
2x = 24
x = 24/2 = 12
Plug x=12 into either equation and get
y = 8
A factor of 17 is 1. Another is 17.
The answer for part a would be 130
the answer for part b would be 60
