Four holes I believe.
Just a wild guess though.
Answer:
5(4 + 4)
Step-by-step explanation:
5(4 + 4)
20 + 20
40
Hope this helps!
=)
Answer: b) 15.7
<u>Step-by-step explanation:</u>
Look at the z-table (below) to find 0.2500
Notice that the value is not on the table but is between 0.2486 and 0.2517 which are located on the z-table at 0.67 and 0.68
The given value is closer to 0.2486 so use 0.67 as the z-score.
Now, let's find the x-value using the formula: 

40 sets of tires. I learned this by looking up your question because it is incomplete.