Answer:
12
Step-by-step explanation:
12 + 14 + 16 = 42
Smallest is 12
To solve this determine when C=S where C is cost and S is sales.
Cost = 37720+11.5x where x is the number of books.
Sales = 19.50x.
37720+11.5x=19.5x
37720=8x
4840=x
Answer:
C
Step-by-step explanation:
Answer:histogram 4
Is this for stats? each number is going by 5 and looking at the numbers you can easily eliminate 2 and 3 as there is nothing in the area of 50-60 that only leaves 1 and 4 look at the numbers and how they add up in the frequency from 70-75 there are two numbers that meet the criteria. Histogram 1 only shows one number for that section so i assume that it should be number 4.