You have just bought a new sony 55" 3d television set for $1,600. the value of the television set decreases by $250 per year. how long before the television set is worth half of its original value?
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let x be the year needed
half value = 1600/2 = 800
1600 - 250x = 800
250x = 1600 - 800
250x = 800
x = 3.2 years
make sure to brainliest this so I can answer your next question :)