1.	Work backwards to complete
		A.		B.
		C.		D.
		Hint
	2.	Work backwards to complete
		A.		B.
		C.		D.
		Hint
	3.	A number is increased by 13, multiplied by 6 and then divided by 2. The final number is 108. What is the original number?
		A.	14	B.	23
		C.	-4	D.	16
		Hint
	4.	Maria's age multiplied by 3, decreased by 17 and then doubled is 68. How old is Maria?
		A.	15	B.	22
		C.	14	D.	17
		Hint
	5.	Half of Tom's age, increased by 19, divided by 3 and then multiplied by 6 is 54. How old is Tom?
		A.	4	B.	44
		C.	74	D.	16
		Hint