Took 3 of us in grade 10 but johns present age is 77.5 and his sister is 72.5
Answer: The total percentage loss would be 67%.
Step-by-step explanation:
Since we have given that
Rate of decline each year = 20%
Number of years = 5
We need to find the total percentage loss in value of the house at the end of 5 years.
So, Total percentage loss would be

Hence, the total percentage loss would be 67%.
You have to plug in the given numbers and perform each operation. Let me know if you have questions. The answers are circled.
Answer:

Step-by-step explanation: