please help me with my math task!!

Alberto wants to make a model of the Wright brother's glider.

1) The wingspan of the scale model must be between 15cm and 18cm. What scale factor should he use? (Remember to first convert m to cm.)

2) What will be the length of the model glider? Show your work in the box below.

3) What will be the wingspan of the model glider? Show your work in the box below.

4) What will be the height of the model glider? Show your work in the box below