Renata moved to her new home a few years ago. Back then, the young oak tree in her back yard was $190$ centimeters tall. She measured it once a year and found that it grew at a constant rate. $3$ years after she moved into the house, the tree was $274$ centimeters tall. **How fast did the tree grow?** $\qquad$[[☃ numeric-input 1]] centimeters per year **How many years passed from the time Renata moved in until the tree was $344$ centimeters tall?** $\qquad$[[☃ numeric-input 2]] years