Can somebody explain to me in the simplest way how to do

Svetlana's hair is 4 4 centimeters ( cm cm) long. her hair grows 1 . 5 cm 1.5cm per month. svetlana wants her hair to be less than 1 6 cm 16cm long. write an inequality to determine the number of months, m m, svetlana can allow her hair to grow so that it is less than 1 6 cm 16cm long.

Match each function with its rate of growth or decay

Explain why the factor 1.5 is broke. into two numbers in the model.