Two-step inequality word problems

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Problem

Svetlana's hair is 4 centimeters long. Her hair grows 1, point, 5 centimeters per month. Svetlana wants her hair to grow so that it is at least 7 centimeters long.
Write an inequality to determine the number of months, m, it will take Svetlana's hair to grow so it is at least 7 centimeters long.
Identify which graph represents the solution set to this inequality.
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