Answer:
6=r
r*4-r
6*4=24
24-6=18
Step-by-step explanation:
im srry if its wrong
r=-3
Hi love,
6r=3r-12-r
6r=2r-12
2r-12=6r
-12=6r-2r
-12=4r
divide both sides by 4
Density = mass/volume = 40.5 g/ 15.0 ml = 2.70 g/ml
Answer is 2.70 g/ml.
