One Step Inequalities
7 - x < 4
What is x > 3
2x + 5 > 15
What is x > 5
"You have $23 saved already, and make $10 a day shoveling snow. You are working towards saving up at least $58. How many days do you need to work?
Define an appropriate variable for this situation.
d = number of days
5x > 25
What is x > 5
x/6 + 3 < 6
What is x < 18
"The bus starts with 11 students and 2 students get on the bus at each stop. The bus can fit no more than 58 students." How many stops can the bus make?
Define an appropriate variable for this situation.
s = stops
20 ≥ 4x
What is x ≥ 5
3x + 7 ≥ 19
What is x ≥ 4
A restaurant wrote an inequality to determine the number of ketchup bottles to order. How many bottles of ketchup can you order? When solved, they determined the answer was: k ≥ 42.78
Interpret the solution in the context of the problem.
They should order at least 43 bottle of ketchup.
20 - x < 13
What is x > 7
4h + 4 < 6h -2
h > 3
The airline company wrote an inequality to determine the number of miles a plane could fly before running out of fuel. How many miles can the plane fly? When solved, they determined the answer was: m ≤ 1,231.49
Interpret the solution in the context of the problem.
The plane can fly between 0 and 1,231 miles.
-15x ≤ 75
What is x ≥ -5
2(4r + 2) < 9r + 2
r > 2
A vending machine company is trying to determine how many drinks need to be loaded into the vending machine to last for the week. When solved, they determined the answer was: d > 66.351
Interpret the solution in the context of the problem.
The number of drinks they need to load is more than 66.
or
The number of drinks they need to load is at least 67.