Find the coordinates of M, the midpoint of A and B where A has the coordinates (-2,6) and B has coordinates (4,9)

The first week samantha learned to read braille, she could read 10 words per minute. in the second week she increased her speed by 20%. in the third week she increased her speed again by another 25%. how many words could she read per minute by the third week? hurry and tell me!