- Tom Carpenter
1. Click on the "Question" box if you wish to use a provided question. 2. Type in the required "Percentage decrease" in the appropriate box. 3. Type in the "New value" box the appropriate amount. 4. Click on the "Question" box if you wish to use a provided question. 5. Move the slider to the right to 'shift' this amount to the other end of the bar, pausing at the original amount. 6. Check the solution if you used the provided question by clicking on "Solution" box. 7. Click on the "Reset" button to start again and get a new question.