1. 14.4 km, 2. 25.2 km, 3. 37.8 km
What was your other question
Answer: See below
Explanation:
Write an equation for nth term:
a + d(n - 1)
a = 8 (first term)
d = -6 (common difference)
8 - 6(n - 1)
= 8 - 6n + 6
= -6n + 14
Find a 50:
-6(50) + 14
= -300 + 14
= -286
9 < 6- (-3)
This is due to the negatives turning into one positive!
