Answer:
x - 14 = -8 + x
x = 4
-14 less than or equal to 8 + x
-22 is less than or equal to x
or
x is greater than or equal to -22
Step-by-step explanation:
Well first you need to find the unit rate. Divide 15 by 3.....get 5 minutes for 1 mile. Then you would multiply 5 by 8 which is 40 so 40 minutes (B) is your answer :)
N4=c
n times 4, n being a number of notebooks, would equal c, or the overall cost.
The answer & explanation for this question is given in the attachment below.
It wouldn't let me post the answer. See images for the answer and explanation