Miền xác định logarit

Bryce drove 200 miles to his grandparents house this is 50 miles more than three times the distance to aunt lance a house what is the distance to hisaunt lance house?

Subscriptions to a popular fashion magazine have gone down by a consistent percentage each year and can be modeled by the function y = 42,000(0.96)t. what does the value 42,000 represent in the function?

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r