Two-Step Inequalities
5x-7>=8
x>=3
2y+4=18
y=7
Lynnette can wash 95 cars in 5 days. How many cars does she wash each day?
19 cars per day
-5+9
4
Simplify the following expression by combining like terms.
2 + x + 4 + 2x
3x + 6 or 6 + 3x
Is 1/2 and 4/8 equivalent or not equivalent?
Equivalent
6x+4<=-2
x<=-1
Solve for n.
3n − 5 = 7
n = 4
At the market, 7 apples cost $4.55. What is the cost per apple?
$0.65 per apple
-7-3
-10
Simplify the following expression by combining like terms.
3x + 7 - 8x + 5
-5x + 12 or 12 - 5x
4: ____ is equivalent to 12:15
5
-2x+7<19
x> -6
10 = y-2
y=12
Ken can walk 40 dogs in 8 hours. Determine how many dogs he can walk in 50 hours.
250
-22(-50)
-1100
Simplify the following expression by combining like terms.
-7y + 4 + 6x - 8 - 3x
3x -7y - 4
In Mr. Bracey's classroom, there are two right-handed students for every one left-handed student. How many left handed students are there for every 4 right-handed students?
2 left-handed students
2 - 3x <= 20
x>= -6
1.5y=66
x=44
A hummingbird can flap its wings 4,200 times per minute. How many times can a hummingbird flap its wings in 240 seconds?
16,800
When Perla's family bought their house, they took out a loan for $96,000. So far, they have paid off $5,800 of the loan. Now they are going to renovate the kitchen and borrow another $15,000. How big is the debt that Nick's family owes?
$105,200
Simplify the following expression by using distributive property.
- 4 (15a - 7b)
-60a+28b
It takes 5 hours to assemble 3 bookshelves. How many bookshelves could be assembled in 25 hours at that rate?
15 bookshelves
-7u -1 <= 1
u>= -2/7
25=h-4.5
h = 29.5
An average respiratory rate is about 12 breaths per minute. How many breaths are taken in 1 day at this rate?
17280
Josiah works in a tall building. He works on Floor 10, and parks his car in Floor -2. What is the difference in the number of floors between where he parks his car?
12 floor
Simplify the following expression by using distributive property.
5/8(-40a+24b)
-25a+15b
Audrey bought five packs of crayons for $13.75. What is the cost of a pack of crayons, in dollars, if all the packs cost the same?
$2.75