Expressions
Equations
100
The expression 0.4a represents the reduced attendance on the second night of a play. Which expression is equivalent to the reduced attendance if a is the attendance on the first night?
A) 1.6a
B) 1.4a
C) a − 0.6a
D) a − 0.4a
C) a − 0.6a
100
Ms. Wong sold 28 cars. She sold 8 fewer cars than 1/4 as many cars as Mr. Diaz. Which equation can be used to find the number of cars that Mr. Diaz sold, c?
1/4c-8=28
or
c/4-8=28
200
Last year’s cost of a water park season pass, c, increased 35% this year. The expression c + 0.35c can be used to represent the increased price of a season pass. What is another expression that can be used to represent this year’s cost of a season pass?
1.35c
200
What is the value of z in the equation
-5z+8=-6
z=2.8
300
Factor −15k − 60 to make k positive.
−15(k + 4)
300
Benson earned 420 bonus points for playing 12 perfect games of trivia. He earned a total of 1,260 points. How many points, p, did Benson earn for each perfect game of trivia?
12p+420=1,260
70 points
400
Which expression is equivalent to
2(-12x-3/2)+4x
A)
−28x − 3
B)
−24x − 3/2
C)
-20x-3/2
D)
-20x-3
D)
-20x-3
400
The cost for a taxi ride is $1.85 per mile plus an initial charge of $2.75.
Write and solve an equation to find how far you can ride for $39.75.
39.75 = 1.85x + 2.75
x=20 mi
500
The width of a rectangle is 4 times its length, y. Which expressions represent the perimeter of the rectangle?
Select all the correct expressions.
A) 10y
B) 5y
C) 4(y + y)
D) 2(4y + y)
E) 8y + 2y
F) 4y + y
A) 10y
D) 2(4y + y)
E) 8y + 2y
500
The side view of a bookend is shown. The perimeter of the bookend is 81 cm.
Write an equation in simplest form that represents the perimeter of the bookend in centimeters.
Solve for an extra bonus shot.
11 1/2 m − 11 = 58
m=6