Y could be twelve, but I think I'm a 100% wrong. :'D
Answer:
x = - 9, y = -1
Step-by-step explanation:
<em>Given:</em>
<em />
Solve:








[RevyBreeze]
Answer:
Porosity of the sand is, 20 %.
Step-by-step explanation:
So according to the question,
10 mL of sand contains (5 - 3) mL = 2 mL of water and this water fills the gaps or pores between the sand partcles. So, porosity of the sand is given by,
%
= 20 %
19.99+0.21x=52.54
0.21x=32.55
x=155
Mr. Sidney drove 155 miles
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