Complete question :
C = 1.5b + 67.5
The total cost, C, in dollars, to produce b books is given by the equation above. What is the meaning of 1.5 in the equation
Answer:
An additional $1.5 for each book produced
Explanation:
The equation given : C = 1.5b + 67.5 ; takes the form of a linear equation; where C = cost of production ; b = number of books ;
The general form of a linear equation is given as :
y = mx + c
from the general formula; m = gradient or slope which is the change in the x variable per unit change in the y variable
Hence comparing with the equation given ;
1.5 is the slope or gradient ;
1.5 refers to the increase in production cost per increase in the number of books produced.