If the original price is 'x', 60% of 'x' is $30
0.6*x = 30
30/0.6 = x
x = 50
The original price is $50
You just do 3 times 4 and you get 12
Answer:
r ≈ 7.9 inches
Step-by-step explanation:
V(cylinder) = πr²h
196 = πr²(1)
196/π = r²
62.4 = r²
√62.4 = r
r ≈ 7.9
