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Collette’s Superstore is having a sale on desk lamps. The following graph shows the number of desk lamps left in the store t minutes after opening. How many minutes after opening will the store only have 40 desk lamps remaining?


Graph with t in minutes on the x axis and number of desk lamps remaining on the y axis. Graph shows line hitting points (0, 120), (5, 110), (10, 100), (15, 90), (20, 80), (25, 70), and (30, 60)




30 minutes



35 minutes



40 minutes



45 minutes

Verified Answer :

bcalle

The equation is y = -2x + 120
Since the numbers are going down there is a negative slope.
Substitute 40 in and you will get 40 as your answer.

golfvargas69

Answer:

35

Step-by-step explanation:

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