One Step Inequalities Add/Sub
x -1 > 5
x > 6
2x < 4
x < 2
9c - 8 ≤ 82
c ≤ 10
d > 10.2
What is open circle arrow pointing right (greater than 10.2)
Suppose your uncle sends you 5 X-Box games for your birthday. Each game weighs the same amount. The box he mails them in weighs 10 ounces. The total weight of the package is 55 ounces. What is the weight of one game?
What is 9 ounces
x + 10 > 10
x > 0
7x > 42
x > 6
z/3 + 10 > -5
z > -45
t ≤ 15.3
What is Closed circle, arrow pointing left (less than 15.3)
John & Sue want to buy a DVD player that costs $140. They have $80 saved already. How much will they have to save per month for the next six months in order to have enough money saved?
What is $10
x + 5 < 2
x < -3
x/8 < 8
x < 64
-18 > -14 + p/8
p < -32
or
-32 > p
2x ≥ 12
What is x ≥ 6 Closed circle, arrow pointing right (greater than or equal to 6)
The cost of renting a car is $25 per day plus a one-time fee of $75.50 for insurance. Write and solve an inequality to find how many days can the car be rented if the total cost is to be no more than $525.
What is x = number of days
25x + 75.50 < 525
x < 17.98 a maximum of 17 days
10 > x -12
22 > x
or
x < 22
-9x > 81
x < -9
Don't forget to flip your inequaility
-8e + 6 ≤ 94
e ≥ -11
Don't forget to flip your inequality
5x > 10
What is x > 2 Open Circle, Arrow pointing right (greater than 2)
At most, Kyle can spend $50 on sandwiches and chips for a picnic. He already bought chips for $6 and will buy sandwiches that cost$4.50 each. How many sandwiches can he buy?
What is Let x = number of sandwiches
4.50x + 6 < 50
x < 9 7/9 a maximum of 9 sandwiches
5 < x + 7
-2 < x
or
x > -2
-36 > x/-6
216 < x
or
x > 216
Don't forget to flip your inequality
8 + 4b ≤ 83
b ≤ 18.75
10x - 10 ≤ 90
What is x ≤ 10 Closed circle, arrow pointing left (less than or equal to 10)
A bank account has $650 in it. Every week, Sally withdraws $50 to pay for her dog sitter. What is the maximum number of weeks that Sally can withdraw the money so there is at least $75 remaining in the account?
What is Let x = number of weeks
650 – 50x > 75
x < 11.5 the maximum is 11 weeks