1.	A certain number is divided by 9, and then 6 is added to the result. The final answer is 21. Find the number.
		A.	135	B.	117
		C.	243	D.	183
		Hint
	2.	The rule for the flowchart below is r = 10s + 6. Use the flowchart to find the value of r when the value of s is .
		A.		B.	7
		C.		D.
		Hint
	3.	Use the flowchart to backtrack and find the solution.
		A.	213	B.	3
		C.		D.	4
		Hint
	4.	Use the flowchart to backtrack and find the solution.
		A.	14	B.
		C.	11	D.
		Hint
	5.	Use the flowchart to write an equation.
		A.
		B.
		C.
		D.
		Hint