Question

A glider begins its flight 4/5 mile above the ground. After 30 minutes, it is 3/10 mile above the ground. Find the change in heigh of the glider. If it continues to descend at this rate, how long does the entire descent last?

Answer 1

Answer:1 hour 15 Minutes

Step-by-step explanation:The glider begins its flight mile above the ground.

Distance above the ground after 45 minutes =

Change in height of the glider

Next, we determine how long the entire descent last.

Expressing the distance moved as a ratio of time taken

Therefore: Total Time taken =45+30=75 Minutes

=1 hour 15 Minutes