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Question 401575: a marketing group develpoing online as space is offering two payment options:
Option 1: $210 set up fee plus $10/inch of the ad
Option 2: no set up fee but $25/inch of the ad
let x= inches of the proposed ad,for example,x=2 for a column ad that is 2 inches long A)write a mathmatical model representing the total ad cost,C, in terms of X for the following
OPTION 1: C=________________
OPTION 2: C=_____________________
B) HOW MANY INCHES OF AD SPACE WOULD BE NEEDED TO BE PURCHASED FOR OPTION 1 TO BE LESS THAN OPTION ? SET UP AN INEUALTIY AND SHOW YOUR WORK ALGEBRAIACALLY USING INFO IN PART A.
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! a marketing group develpoing online as space is offering two payment options:
Option 1: $210 set up fee plus $10/inch of the ad
Option 2: no set up fee but $25/inch of the ad
let x= inches of the proposed ad,for example,x=2 for a column ad that is 2 inches long A)write a mathmatical model representing the total ad cost,C, in terms of X for the following
OPTION 1: C1(x) = 210 + 10x
OPTION 2: C2(x) = 25x
B) HOW MANY INCHES OF AD SPACE WOULD BE NEEDED TO BE PURCHASED FOR OPTION 1 TO BE LESS THAN OPTION ? SET UP AN INEQUALTIY AND SHOW YOUR WORK ALGEBRAIACALLY USING INFO IN PART A.
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Solve C1(x)
210 + 10x < 25x
210 < 15x
x < 14 inches
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Cheers,
Stan H.
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