1.	It costs $7.50 to park a car or van at the Family Fun Amusement Park. The admission price to the park is $22.50 per person. If a group in one vehicle spends $142.50, how many people went to the park?
		A.	6	B.	8
		C.	7	D.	5
		Hint
	2.	If , what is the value of c?
		A.	1	B.	9
		C.	3	D.	27
		Hint
	3.	Solve 7 – 3x = 40.
		A.	x = -4	B.	x = 4
		C.	x = 11	D.	x = -11
		Hint
	4.	Solve 13 – x = 103.
		A.	x = -116	B.	x = 116
		C.	x = -90	D.	x = 90
		Hint
	5.	Solve 6r – 2r + 15 = -25.
		A.	r = 10	B.	r = 40
		C.	r = -10	D.	r = -40
		Hint