Inequalities
What value of b makes this inequality true?
15-b>9
a)5
b)7
a
Which of the following solutions has x=2 as a solution.
A) 2x=5
B)3x+5=11
C)7x-4=10
B and C
Candace has some apples. She
picks 9 more apples. She now has 71 apples. Write an equation to represent the total number of apples, a, that Candace has before she picks 9 more apples.
9 + a=71
p+4=22
18
Using substitution, determine whether each value of x makes this inequality true.
Consider the inequality. 2x>10
x=5
x=9
x=1.4
9
what is the value of x
x/6=7
42
There are 20 books on a shelf. Each book has the same number of pages. The total number of pages in all the books combined is 800.
Write an equation to represent p, pages in each book.
20p=800
Solve for b.
3b = 18
6
11<q
12 and above
Is f = 15 a solution to this equation?
f/5=3
yes
Ethan sells red and blue balloons. Yesterday he sold 186 balloons, where 62 of them were red. The value of p represents the number of blue balloons.
Write an equation to represent the blue balloons.
62+p=186
Solve for c.
15 = 3c
5
What is < mean?
Less than
Is m = 2 a solution to this equation?
8m=52
no
Maria has $245.60 in her checking account. She received a bonus of b dollars from her job and deposited it into her account.
Write an equation to represent the total amount of money, mmm, Maria now has in her checking account.
m=245.60+b
There are 20 books on a shelf. Each book has the same number of pages. The total number of pages in all the books combined is 800.
How many pages are there in each book?
400
What does > mean?
Greater than
Is r = 25 a solution to this equation?
9=r/5
no
Liam has 72 stickers in his collection. He buys x more stickers from a store.
Write an equation to represent the total number of stickers, t, Liam has after the purchase.
t=72+x
Ethan sells red and blue balloons. Yesterday he sold 186 balloons, where 62 of them were red. The value of p represents the number of blue balloons.
Solve for blue balloons
124