16 gallon tank, 2.75 $/gal so roughly 53.25
Answer:
D
Step-by-step explanation:
23.56
2() + 2rh
2( )+ 2(1.5)(1)
C) 6 feet
set up a proportion of height/shadow = height/shadow
30/10 = h/2
cross-multiply:
10h = 60
h = 6
Answer: I think the answer is 38.