7. A lifeguard received 16 hours of first aid training and 8 hours of cardiopulmonary resuscitation (CPR) training. Write the ratio of hours of
CPR training to hours of first aid training.
a. 8:16
b. 16: 8

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.