Estimate the number of cells in a(n) 78-kilogram (172-pound) person, assuming the human body is 100% water (actually it is 60 dash70% water) and that 1 liter of water weighs 1 kilogram.

step-by-step explanation:

de-gf

hj=3x+20

ji=15x-64

7.25

step-by-step explanation:

we know that 7 equals to 7.0. we also know that 1/4=0.25. so we can add the two together and we get 7.25

step-by-step explanation: