Some fish have a density slightly less than that of water and must exert a force (swim) to stay submerged. What force (in N) must a 96.0 kg grouper exert to stay submerged in salt water if its body density is 1012 kg/m^3?

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles