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The speed of hair growth for humans is about 1, centimeters per month. Susan's hair has grown 3 centimeters since the last time she got it cut. Let z be the number of months she has been growing her hair. Write a number model to show how many months she has been growing her hair. Then solve the problem.​

Answer :

syang480

Answer: z = 3

Step-by-step explanation: 1 centimeter = 1 month so 3 centimeter = 3 months

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