The value of a share of stock decreases in value at a rate of $1.20 per hour during the first 3.5 hours of trading. write and solve an equation to find the decrease in the value of the share of stock during that time

Well since I don't know what the original value I'll label it as X. So your equation will start out as X - (1.20 x 1) which would be for every hour for a half hour just divide 1.20 / 2 to get your half an hour. (1.20 x 3) + 0.60. Should be easy if they want it in faction form than it would just be 1.20 x 3 1/2.

Hope this helps

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