Three sisters are saving for a special journey. The ratio of Gertrude's savings to Nora's savings is 9 : 2 and the ratio of Nora's savings to Helga's savings is 2 : 5. Together all 3 sisters have saved $64. How much has each girl saved?

The equatorial radius of earth is approximately 6 × 10^3 km, while the equatorial radius of saturn is approximately 6 × 10^4 km. which of the following is true? a. the equatorial radius of saturn is approximately one hundred times that of earth. b. the equatorial radius of saturn is approximately ten times that of earth. c. the equatorial radius of earth is approximately one hundred times that of saturn. d. the equatorial radius of earth is approximately ten times that of saturn.