Their average is <em>59/144 .</em>
Answer:
18.84
Step-by-step explanation:
Diameter = 12
Circumference of a circle = πD
= 3.14* 12
=37.68
Since its a semicircle, (that's half of a circle), divide the result by 2
= 37.68/2
= 18.84
3.5% of 600...turn percent to a decimal..." of " means multiply
0.035 * 600 = 21 <=== 21 phones are likely to be defective