The bystander effect refers to the fact that:
a. if one bystander helps in an emergency then no one else will.
b. people are less likely to help in an emergency if there are other people present than if they are alone
c. people who are trained in emergency rescue techniques often forget them when they are bystander
d. if one bystander stares up at the sky and points other passerby will stop and look up too.
A batch of cookies requires 2 1/4 cup of flour and 1 egg. You have in your kitchen 8 cups of flour and a half dozen eggs.
a) How many batches of cookies can you make?
b) After you have made the cookies, how much flour and how many eggs will you have left? What portion of the original amount of flour and the original number of eggs will you have left?