Clare asks Andre to play the following number puzzle: Pick a number
Add 2
Multiply by 3
Subtract 7
Add your original number

Andre’s final result is 27. Which number did he start with? Explain how you determined your answer.
Number:

Explanation:

21/58.

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the red lines denote the population of the bacteria after 35 hours. that would be 2,409.24. the y-intercept is the blue line which is 800 because that is the starting point. the equation used to make the graph is 800(1.032)^h, where h is the number of hours.

step-by-step explanation:

can you take a photo of the screen?