Zoe leaves Walmart traveling 9 mph. Just 12 hours later, Summer leaves Walmart, traveling the same direction at 36 mph. How long until Summer catches up with and passes Zoe?

What is the common denominator for 3/5+3/4

4+(2+x) can you me solve this problem

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?