4.3 Sample QuestionsPS06726
49.Three^ people^ each^ contributed^ x dollars^ toward^ the
purchase of a car. They then bought the car for
y dollars, an amount less than the total number of
dollars contributed. If the excess amount is to be
refunded to the three people in equal amounts, each
person should receive a refund of how many dollars?
(Al(Bl
(Cl(Dl
(El．．yy也驭3
寸二
如3xy炉一
3
--33x2x+2y=- 4
4x + y = 1
PS07331- In the system of equations above, what is the value of x?
(A)
(B)(C)(D)(E)312
－－3-4＿5llPS07080- Last week Jack worked 70 hours and earned $1,260.
If he earned his regular hourly wage for the first
40 hours worked, 1- times^1 his regular hourly wage
2
for the next 20 hours worked, and 2 times his regular
hourly wage for the remaining 10 hours worked, what
was his regular hourly wage?
(A) $7.00
(B) $14.00
(C) $18.00
(D) $22.00
(E) $31.50PS02402- If Mel saved more than $10 by purchasing a sweater at
a 15 percent discount, what is the smallest amount the
original price of the sweater could be, to the nearest
dollar?
(Al 45
(B) 67
(Cl 75
(D) 83
(El^150
PS13426 - If a and b are positive integers and (2a)b = 2气whatIS
the value of 2a抄？
6
8
16
32
64
因＠＠仰旧54.PS03777(^1) =
3 -^1
3
1
3 —^1
(A)
(Bl
(C)
(D)
(E)
7-235-132
3
3
_5
l
了
2
-3
PS07386
- After 4,000 gallons of water were added to a large
water tank that was already filled to - of its capacity, the^3
tank was then at - of its capacity.^4 4 How many gallons
5
of water does the tank hold when filled to capacity?
(A) 5,000
(B) 6,200
(Cl 20,000
(D) 40,000
(El 80,000