Find the missing side 3 and 4.​

This summer the number of tourists in salem increased 4.5% from last years total of 426000. how many more tourists came to salem this summer

What is the answer to this equation? and if you can, find a way to show your work.

Of the 189 miles of beaches at ocean side, 7% are privately owned 39% are owned by resorts, and 54% are public beaches. how many miles of beach are not public?