Need help with Math questions about age, length and width

1- Cary is 6 years older than Dan. In 4 years the sum of their ages will be 64 . Find the age of each man now.?

2- Cody is twice as old as Evan and six years ago the sum of their age was 12 . Find the age of each boy now.

3-The width of a rectangle is 3 inches less than the length. The perimeter is 58 inches. Find the length and the width

4-Shelly is 3 years older than Michele. Four years ago the sum of their age was 67 . Find the age of each person now.

5- Jack is 4 times as old as Lacy. 7 years from now the sum of their ages will be 64 . How old are they now?