Answer:
7 minutes
Step-by-step explanation:
From the question :
Descent = ascent
Initial height * descent rate = initial position * ascent rate
Plane on ground is at an initial position or height of 0
42000 - 3300t = 0 + 2700t
Where, t = time
-3300t - 2700t = 0 - 42000
-6000t = - 42000
t = 42000 / 6000
t = 7 minutes
The slope of the function is 2!
In a year she will have 1290$ because if she gets paid every 2 months and there are 12 months, 12/2 equals 6 times she gets paid a year. So 215 times 6 is 1290
Answer
25f + 100c <span>≤ 700
hope it helps</span>