To determine an athlete's body fat, she is weighed first in air and then again while she's completely underwater. It is found that she weighs 690 NN when weighed in air and 48.0 NN when weighed underwater. What is her average density

i sometimes feel that way too. i feel that i should hurt someone because they hurt me, but i wouldnt do it. that would make things so much worse i have so much experience with this stuff

explanation:

the electric field is a “force field” around a charged object that illustrates the direction the electric force would push an imaginary 

the old price per ounce is c/4.

the new price per ounce is c/3.6.

the ratio of the old price to the new one is

(c/4)/(c/3.6) = (c/c)×(3.6/4) = 0.9 . . = 9/10 . . "nine tenths" in either form