A high school has designed the yearbook. A company charges $900 to assembly the master copy and $42 to make additional copies. The total selling price depends on how many copies are made. Write a function rule and determine how much will the school save on ecah book by ordering 600 instead of 200?

Answer 1

in algebic expression method... with those two equation..

Answer 2

Total cost=900+42x
totalcostperbook=totalcost/x= 900/x+42

saveoneachbook=costperbook200-costperbook600
= 900/200+42 -900/600 -42
= 900(1/200-1/600)
= 900(400/(200*600))=900 (1/300)= check my work.

Answer 3

32 less than three fourths of a number