Journey through Equations
Solve for a.
3a-4=8
a=4
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
GameStop is having a sale! A new VR costs $399. The sale is 20% off. What is the sale price of the VR?
(Hint: Money has 2 decimal places)
The sale price is $319.20
Which expression is equivalent to 8c+6-3c-2 ?
a) 5c+4 b) 5c+8 c) 11c+4 d) 11c+8
a) 5c+4
a) Mean is _________ of numbers.
b) Find the mean in the data set below
1,3,6,9,10,12,15
a) average
b) 8
Solve for x.
13+7x=27
x=2
Solve the following inequality
5x-15>100
x is greater than 23
x>23
Round 304.768 to the nearest tenth.
304.8
Which expression is equivalent to n+n-0.18n ?
a) 1.18n b) 1.82n c) n-0.18 d) 2n-0.82n
b) 1.82n
Double Points!!!!
a) Median is the number in the __________.
b) If there are 2 numbers in the middle, we had to ______ both numbers and _______ by 2.
c) We have put the numbers in ______.
d) What is the median below
30, 47, 25, 67, 19, 18, 28
b) add ; divide
c) order
d) 28
Jeanne needs to buy shirts to look good when she goes back to school in a couple weeks. She has $55 dollars to spend and all the shirts are conveniently the same price at her favorite store. She purchased 5 shirts and left the store with $7.50. How much did each shirt cost?
a) Write an equation use the variable s
b) Solve for s
c) How much did each shirt cost
a) 5s+7.50=55
b) s=9.50
c) Each shirt cost $9.50
Solve the inequality below
4x + 6 < 3x + 7
x is less than 1
x<1
Answer this question for double points!
Airline A and Airline B offer travel discounts to the same destination. The original ticket prices and discounts are described below.
-Airline A: a discount of 25% off the original ticket price of $150.
-Airline B: a discount of 1/3 off the original ticket price of $180.
a) What is the discounted price for Airline A?
b) What is the discounted price for Airline B?
c) What Which airline offers the least expensive ticket?
a) Airline A $112
b) Airline B $120
c) Airline A offers the least expensive ticket.
Which expression is equivalent to -1/3(6x+15)-3 ?
a) -2x+12 b) -2x+2 c) -2x-2 d) -2x-8
d) -2x-8
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
What 2 scenarios represents the equation below
25+15x=85
a) You and your friends want to see a movie. Refreshments cost $25 and each ticket is $15. The total cost is $85.
b) You and your friends want to see a move. Refreshments cost $85 and there are 15 tickets. The total cost is $25.
c) You need to buy books and supplies for school. You need 15 books and school supplies are $15. The total cost is $85.
d) You need to buy books and supplies for school. School supplies are $25 and each book costs $15. The total cost is $85.
A & D
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
a) Round 645.908 to the nearest whole number.
b) Round 56.98 to the nearest tenth.
c) Round 192.042 to the nearest hundredth.
a) 646
b) 57
c) 192.04
Which expression represents a factorization of 32m+56mp?
a) 8(4m+7p) b) 8(4+7)mp c) 8p(4+7m) d) 8m(4+7p)
d) 8m(4+7p)
a) Range is ________ number minus the _________ number.
b) What is the range in the data set below?
42, 38, 97, 23, 89, 87, 22, 33
a) highest ; lowest
b) The range is 75
97 - 22 =75
Define the variables and translate the following statements into an algebraic equation.
Renting a car costs $55 per day plus $0.45 per mile. The cost of the rental is $100.
a) Let r be the number of the rental; 100=55+0.45r
b) Let m be the number of miles; 100=55+0.45m
c) Let d be the number of days; 100=55+0.45d
d) Let c be the number of costs; 100=55+0.45c
b) m represents the number of miles; 100=55+0.45m
Chef Cherry needs at least 80 cupcakes to complete an order for a birthday party. She already made 23 cupcakes. Chef Cherry and her two baking assistants will make the remaining cupcakes today. Each person bakes the same amount of cupcakes.
a) Write an inequality that can be used to determine the minimum amount of cupcakes each person will make to complete the order. (Use c to represent the number of cupcakes each person makes)
b) Solve for c
a) 3c+23 ≥ 80
b) c ≥ 19
A clothing store used the sign shown below to advertise a discount on shirts.
Discount: Buy 2 Shirts, Get 50% off Third Shirt
Ky wants to buy three shirts, which were originally priced $49.96 each. The store will discount the price of the third shirt and then apply a 7.1% tax to the total cost of all three shirts. Including the tax, what will be the mean cost of each shirt?
a) $41.99 b) $42.70 c) $44.59 d) $45.18
Combine Like Terms
2(5+7x)-3(5+2x)
8x-5
Find the mean, median, mode, and range of the data set.
18, 3, 7, 12, 15, 8, 9, 19
Mean = 11.375
Median = 10.5
Mode= No mode
Range= 19-3 =16