Journey through Equations
Solve for a.
12a+4=80
a=7
Identify the following inequality signs
a) <
b) >
c) ≤
d) ≥
a) less than
b) greater than
c) less than or equal to
d) greater than or equal to
Leo bought a used car for a dollars. One year later the value of the car was 0.88x.
Which expression is another way to describe the change in the value of the car?
a) 0.12% decrease
b) 0.88% decrease
c) 12% decrease
d) 88% decrease
c) 12% decrease
Which expression is equivalent to 8c+6-3c-2 ?
a) 5c+4 b) 5c+8 c) 11c+4 d) 11c+8
a) 5c+4
Yesterday, the temperature at noon was 11.4°F. By midnight, the temperature had decreased by 15.7 degrees. What was the temperature at midnight?
a)14.3°F
b) - 11.4°F
c) - 15.7°F
d) - 27.1°F
a)14.3°F
Solve for x.
10+5x=75
x=7
Solve the following inequality
5x+15>100
x is greater than 17
x>17
Charis invested $140. She earned a simple interest of 3% per year on the initial investment. If no money was added or removed from the investment, what was the amount of interest Charis received at the end of two vears?
a) $4.20
b) $6.00
c) $8.40
d) $12.60
c) $8.40
Which expression represents the sum of
(2x - 5y) and (x + y)?
a) 3x - 4y
b) 3x - 6у
c) x - 4y
d) x - 6y
Which expression is equivalent to n+n-0.18n ?
a) 1.18n b) 1.82n c) n-0.18 d) 2n-0.82n
a) 3x - 4y
Last week Rachel power walked 2 3/5 miles per day on each of the 7 days. During the same week, she also jogged 5 3/4 miles per day on 4 days. What was the total number of miles Rachel power walked and jogged last week?
41 1/5 miles
Solve for x.
0.5x + 78.2 = 287
a) x = 104.4
b) x = 417.6
c) = 495.8
d) x = 730.4
c) 8p(4 + 7m)
d) 8m (4 + 7p)
b) x = 417.6
Solve the inequality below
3x -5≥47
x≥14
Answer this question for double points!
Each sales associate at an electronics store has a choice of the two salary options shown below.
The average of the total sales amount for each associate last year was $125,000.
Based on this average, what is the difference between the two salary options each
year? (52 weeks = 1 year)
a) $4,262.11
*b) $5,545.00
c)$10,956.90
d) $11,525.00
b) $5,545.00
Which expression is equivalent to (7x - 5) - (3x - 2)?
a) 10x-7
b) 10x-3
c) 4x - 7
d) 4x - 3
d) 4x - 3
a) Mode is the number that appears the _____.
b) What is the mode in the data set below?
19, 22, 19, 0, 27, 22, 25, 25, 19
a) most
b) 19
Carmine paid an electrician x dollars per hour for a 5-hour job plus $70 for parts.
The total charge was $320. Which equation can be used to determine how much the electrician charged per hour?
a) 5x = 320 + 70
b) 5x = 320 - 70
c) (70 + 5)x = 320
d) (70- 5)2 = 320
b) 5x = 320 - 70
Identifying the inequality sign using the phrases below
a) at least (Hint: Minimum)
b) at most (Hint: Maximum)
a) ≥ greater than or equal to
b) ≤ less than or equal to
Lea wants to save money on a new computer. At the store near her, the computer she wants is listed at a regular price of $400.00.
How much will Lea pay, without tax, when she buys the computer that Saturday before 9:00 am?
a) $148.00
b) $160.00
c) $240.00
d) $252.00
d) $252.00
Which expression is equivalent to
4.8 + 2.2w - 1.4w + 2.4?
a) 0.4(6 + 2w)
b) 0.8(9 + W)
c) 1.6(3 + 2w)
d) 3.6(2 + ∞)
b) 0.8(9 + W)
Three classes at a junior high school raised money to buy new computers.
What is the total amount of money raised by all three classes?
a) $215.19
b) $464.19
c)$1,076.05
d) $1,109.817
d) $1,109.817
The width of a rectangle is 6 2/3 inches. The length of the rectangle is twice its width.
What is the perimeter of the rectangle?
a) 20 inches
b) 40 inches
c) 30 2/3 inches
d） 88 8/9 inche
b) 40 inches
Chef Taylor needs at least 80 cupcakes to complete an order for a birthday party. She already made 23 cupcakes. Chef Taylor and her two baking assistants will make the remaining cupcakes today. Each person bakes the same amount of cupcakes.
3c+23 ≥ 80
b) Solve for c
b) c ≥ 19
Last year 950 people attended a town's annual parade. This year 1,520 people attended. What was the percent increase in attendance from last year to this year?
a) 37.5%
b) 57%
c)60%
d) 62.5%
D) 60%
Combine Like Terms
3(2+5x)-4(3+3x)
27x-6
Mr. Williams has $500.00 to spend at a bicycle store. All prices listed below include tax.
What is the greatest number of cycling outfits that Mr. Williams can buy with the remaining money?