Cary is 4 4 years older than dan. in 10 10 years the sum of their ages will be 66 66. find the age of each man now

The anwser cause i do not understand just plez

The volume of the sun is approximately 1 × 10^18 cu km, while the volume of jupiter is approximately 1 × 10^15 cu km. which of the following is true? a. the volume of jupiter is approximately one thousand times the volume of the sun. b. the volume of jupiter is approximately one hundred times the volume of the sun. c. the volume of the sun is approximately one thousand times the volume of jupiter. d. the volume of the sun is approximately one hundred times the volume of jupiter.

Sum of the interior angles of a pentagon