Question

Svetlana's hair is 4 centimeters long. Her hair grows 1.5 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.

Answer 1

1.5m+4=cm long

you have to substitute numbers for m, so you can see how you get 7