I have 30 t-shirts in my drawer. 15 of them are v-necks, 22 of them are short sleeved and 12 of them are both v-necks and short sleeved.
a) Draw a Venn diagram to represent the given information.
b) Do you need to make any changes to your Venn Diagram if there are 35 t-shirts in my drawer? Explain your answer.