Maths

PS3 Part 1

For your problem number draw a Venn diagram and then answer the three questions.

1.In a survey of 18 college students, it was found that 11 were taking an English class, 6 were taking a mathclass, and 4 were taking both English and math. 

How many students were taking a math class only?

Howmany students were taking an English class only? 

How many students were taking neither

PS3 Part 2

1)Use inductive reasoning to conjecture the rule that relates the number you selected to the final answer. 

Try to prove your conjecture using deductive reasoning.

Select a number:Multiply by 7:

Subtract 56 from the answer: 

Divide by 7:

Subtract the original number: