Hello there!
Your answer is 3 hours and 30 minutes.
I hope I have been of assistance!
~ Fire
How many minutes did it take him to cover 1 mile? 5 minutes.
Answer:
The proportion would be 0.1
Step-by-step explanation:
Given, the function that shows the proportion of students in a psychology experiment who could remember an eight-digit number correctly for t minutes,

If t = 7 minutes,

Hence, the proportion that remembered the number for 7 minutes is 0.1 ( approx )