40 is 20% of 160, so if she saved 40$ and it was 20% off then the original price was 160$!!!
Karry ran 4.9 miles more than Tricia. I determined the difference but subtracting the miles to see how many more karry ran.<span />
Here we have to find the probability 
. Now express the probability in terms of standard normal cumulative distribution function. That is 
.
Now you can look up the probability from the standard normal tables. Its value is
you have negative -12
turn this into a positive (12)
12 plus 18
= 30
Answer:
Step-by-step explanation: you have to divide 112 by 14
