Answer:
9.53 minutes
Step-by-step explanation:
Given:
Initial altitude = 10015
Rate of decrease per minute = slope = 1045
Number of minutes, m it will take the Ballon to reach altitude of 57 = final altitude
The Given could be modeled into an equation thus :
Initial altitude - (rate * Number of minutes) = final altitude
10015 - (1045 * m) = 57
10015 - 1045m = 57
-1045m = 57 - 10015
-1045m = - 9958
m = 9958 / 1045
m = 9.529186
m = 9.53 minutes