Answer:
The correct answer is 192
Solution:
we are given that
John is 3 years older than Jim. Jim is 4 years less than half of Dana’s age.
Let the age of Jim be x years then we can say
Age of John
If diana Age is D then

It can be re-wriiten as
Diana age 
Given that their ages add up to 167

Hence jim is 39 nyears old, John is 39+3=42 years old. and Diana is 2*39+8=78+8=86 years old.
Answer:
question 1: answer is 4
question 2: answer is 1
Step-by-step explanation:
Answer: 10
Step-by-step explanation: Calculate the square root of 100