Answer:
Donno that one...
Can't explain
western beach: y = -2x + 100
dunes beach : y = 5x + 20
set the equations equal to each other
-2x + 100 = 5x + 20
100 - 20 = 7x
80 = 7x
80/7 = x
x ~ 11.43 years
Step-by-step explanation:
Answer: C
1, 2, 4, 8. 8 is the greatest common factor.
Find factors of both.
24: 1, 2, 3, 4, 6, 8, 12, 24
136: 1, 2, 4, 8, 17, 34, 68, 136
Find common numbers.
Factors are 1, 2, 4, and 8.