A
B
C
D
E
100
Is this an expression or an equation?:
x + 4
expression
100
What mathematical word can you use: 'you are leaving variables alone on one side'
isolate
100
Which property can it be used?
x + 4 > 7
subtraction property of inequality
100
Solve. -3x + 2 < 92
-3x < 90
x > -30
100
Is this correct? Change it if you need to:
x + 2 > 5 = x > 3
Format is incorrect.
x + 2 > 5 , x > 3
200
Max, the president of the film club, wanted to create a film.
Max had $300 to use for the creation of this film. He needed a camera ($100), an editing program ($20), and a lighting system (unknown cost). Write an inequality to represent how much the lighting system should cost in order for Max to afford it.
300 ≥ 120 + x
200
Allie and her 5 friends go to a movie theater once a month. Every month, they each buy no more than 3 cans of soda.
Write an inequality that represents the situation for one month. Solve it as well.
x/6 ≤ 3, x ≤ 18,
18 cans of soda or less
200
Drista needed to buy a few notebooks for a school project. The total cost was $23.90 with the total tax cost being $5; and she bought 7 notebooks. What is the price of each notebook?
23.90 = 5 + 7x
$2.70 per notebook.
200
Sarah needed to buy a few textbooks. The total cost was $87.65, the total tax was $7, and she bought 5 textbooks. How can you set up the equation of this situation?
7 + 5x = 87
200
The maximum number of chocolate bars you can buy in a store is 10. If Bob and Maria went to buy some chocolate, and Bob bought 6 chocolate bars, how many can Maria buy maximum?
6 + x ≤ 10
She can buy maximum 4 chocolate bars
300
While shopping for BTS photocard, Leann spent $40 less than 5 times what Oidrey spent. Write and solve an equation to find out how much Oidrey spent. Let x represent how much Oidrey spent.(Leann spent $15)
5x-40= 15, 5x=55, x=11
$11
300
A family buys 4 train tickets and they bought a travel insurance that costs $19 per ticket. If the total cost is $752, what is the price of 1 ticket? Write an equation to solve the problem.
4 (19 + x) = 752, x = 169.00
→ 1 ticket costs $169
300
A package of chocolate contains 5 chocolate and costs $8
Part A.) Oid has to buy at least 20 packages for a Valentine's day event. Write and solve an inequality to describe the number of chocolate, c, that Luna needs to buy.
C ≥ 100
300
Michael and his 4 friends visited Everland. They bought 5 tickets($30 for each) for each people, and they bought x amount of snacks for $5.50 each. If they spend $188.50 in this day, what is the amount of snacks they bought?
30 * 5 + 5.50x = 188.50
150 + 5.50x = 188.50
5.50x =38.50
X = 7, 7 snacks
300
Leo has to buy at least X amount of chocolate and the price of a chocolate is $3. Leo bought 3 time as X chocolate and it was more than $27. Write and solve the inequality.
3x > 27, x > 9
400
The maximum number of kids in the gym is 26. If there are 15 kids signed up for the gym, how many more kids can join the gym without exceeding the maximum?
x + 15 ≤ 26, x + 15 - 15 ≤ 26 - 15, x ≤ 11
At most 11 kids
400
Allie and her 5 friends go to a movie theater once a month. Every month, they each buy no more than 3 cans of soda.
Write an inequality that represents the situation for 3 months. Solve it as well.
x/6 ≤ 3*3,
x ≤ 54, 54 soda or less
400
Jessica went to a swimming pool and wanted to find out the perimeter of the pool. Use this diagram to figure out the possible width of the pool.
2(30+x) >= 150, 60+2x >= 150, 2x >= 90,
x >= 45
45 meters
400
A NBA player has 1000 dollars, he has to split this money with his children(3), and his wife, he also has to give 20 dollars to his maid, and x to his teammates. Write and solve the equation
4( 20+x)=1000, x=230
$230
400
Ethan was going a on a camping trip to BIS mountain. He rode for 5 hours but had 10 miles left. They at least needed to drive 100 miles in total to arrive at the entrance of the camping spot. How fast was Ethan going?
5X+10>=100,
18 miles per hour at least.
500
Sarah has x apps on her phone. One fifth of the apps are used for communication with others. Emma has 12 more apps than the apps that Sarah uses for communication. If Emma has at least 27 apps, how many apps does Sarah have? Write an inequality and solve the problem.
1/5x + 12 >= 27
1/5x >= 15
x >=75
500
Jabez has “x” jelly beans, he shares his jelly beans to his 2 friends. Each gets 18 jellies. Is this going to be inequality or equation? How many does Jabez have?
Equation
18 = x / 2
36 = x
500
Catrina is trying to rent some chairs and some desks for a party. One chair is $11.75 and one desk is 3 times the cost of one chair. If Catrina rented x chairs and 5 desks and spent $293.75, how much chairs did she rent?
11.75x + 5(11.75 x 3) = 293.75
11.75x + 176.25 = 293.75
x = 10
$10
500
In Mr. A’s class, he rewards his students by putting 3 marbles when they behave well. Once the students reach 100 or more marbles, he will throw a party.
Currently, his class has 25 marbles. How many more additional times does Mr. A have to reward his class in order for the students to have a party?
25 + 3x > 100
3x > 75
x > 25
→ Mr. A has to reward his class at least 25 times in order for the students to have a party.
500
In order for the club to open, the minimum number of students should be 11. If 10 students signed up and then 4 of them canceled, at least how many more students should be joining to open this club? Write the inequality.(if x is the number of students)
x + 10 - 4 ≥ 11 (at least 5 students)