SOLUTION: suppose a video store charges non-members $3 to rent a video. a membership cost $21 and then each video costs only $1.50 to rent. how many videos would you need to rent in order to

Question 333301: suppose a video store charges non-members $3 to rent a video. a membership cost $21 and then each video costs only $1.50 to rent. how many videos would you need to rent in order to justidy a membership?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
non-members $3 to rent a video. a membership cost $21 and then each video costs only $1.50 to rent.
..
Let number of videos to be rented be x
21+1.5x < 3x
add -1.5x
21+1.5x-1.5x<3x-1.5x
21< 3x-1.5x
divide by 1.5
21/1.5 x> 14
For x > 14 membeship would be a better deal
RELATED QUESTIONS
Suppose a video store charges non-members $4 to rent a video. A membership costs $21 and... (answered by jojo14344)

suppose a video store charges non-members $4 to rent each video a store membership cost... (answered by JulietG)

Suppose a video store charges nonmembers $4 to rent each video. A store membership cost... (answered by addingup)

a video store charges non-members $4 to rent a video. A store membership costs $21 but... (answered by josmiceli)

A video store charges non-members $4 to rent each video. A store membership costs $21 and (answered by rfer)

Suppose a video store charges non members $4 to rent each video. A store membership cost... (answered by dlh)

Video Store A charges $7 to rent a video game for one week. Although only members can... (answered by mananth)

Video Store A charges $8 to rent a video game for one week. Although only members can... (answered by Boreal)

The local video store charges a monthly membership fee of $5 and $2.25 per video... (answered by oscargut)