To calculate all the breaths you take in a lifetime we have to know a couple of things. First of all we have to know the size (volume) of an average breath. Secondly we have to know how frequent we breathe (number of breaths per minute).And finally we have to decide how long you are going to live.o calculate all the breaths you take in a lifetime we have to know a couple of things. First of all we have to know the size (volume) of an average breath. Secondly we have to know how frequent we breathe (number of breaths per minute). And finally we have to decide how long you are going to live.
Step #1: Make the slingshot. 1  Make elastic bands. 2  To begin, tie 2 rubber bands together to make a long band. 3  Make a pocket. 4  Cut a small rectangle out of a scrap of leather or sturdy cloth. 5  Assemble. 6  Tie the rubber bands to the ends of a forked stick.
It means he is going to shoot at anything and everything that he can and see how much of Marge Simpson's stuff he can break. The Simpsons Slingshots flash game is similar to the Angry Birds games. You will see your targets and need to adjust your slingshot's aim so you can shoot your target. In the Simpsons Slingshots flash game you have a limited number of rocks to use so make each shot count. When Bart Simpson shoots his slingshot the rock will bounce off of the walls, floor and roof so you can shoot multiple targets with one shot.