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1 November, 19:38

Svetlana's hair is 4 centimeters long. Her hair grows 1.51 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, mm, it will take Svetlana's hair to grow so it is at least 7 centimeters long.

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  1. 1 November, 20:09
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    2 months

    Step-by-step explanation:

    first subtract Svetlana present hair length from the desired hair length in order to find out how much growth is required.

    7-4=3

    so Svetlana needs to grow 3 more cm of hair

    Next divide the 3 cm needed to reach the desired length by the rate of growth to find the number of months.

    3cm/1.5cm/m = 2months
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