Solving Equations
Solve for x:
x - 29 = 26
x = 55
Cheryl gets paid $8 per hour, h at her job at the record store. She made a total of $96 last week. Write an equation to show how many hours she worked last week.
a. 96h=8
b.8h=96
c.h/96=8
d.h/8=96
b.8h=96
Name the independent variable in this situation:
- The number of cats living at my house
- The number of fur balls found under the couch
The number of cats living at my house
Write an inequality for this situation: Maya scored fewer than 7 goals
g < 7
What is the name of this inequality symbol: <
Less than
Solve for x:
40x = 20
x = 0.5
DAILY DOUBLE
Max can run the race 8 seconds faster than Jennifer. If Max's time is 27 seconds, what is Jennifer's time?
Write and solve an equation to answer this question.
m = j + 8
j = 19
Name the dependent variable in this situation:
- The temperature of the water
- The amount of time it spent heating up
The temperature of the water
A new car will cost a minimum of $12,000
c is greater than or equal to 12,000
A math phrase in which the values being compared are NOT equal to each other
Solve for x:
x / 48 = 12
x = 576
Bruce is 12 inches shorter than Diane. If Bruce is 49 inches tall, how tall is Diane?
Write an equation to represent this situation and define the variable.
d - 12 = 49
d = Diane's height
Name the dependent variable in this situation:
- The number of snow days we have each year
- The number of snow storms we have each year
The number of snow days we have
The maximum number of fouls a basketball player may have is five
f is less than or equal to 5
This variable changes when the other variable changes first
Dependent Variable
x + 24 + 95 = 715
x = 596
Write an equation to represent this situation and define the variable.
Fred bought 8 new postcards to add to his collection. The next day his dog ate half of the postcards, leaving 42 leftover. How many did he start with?
( p + 8 ) / 2 = 42
p = postcards Fred had at the beginning
DAILY DOUBLE
Name the independent variable:
In an unknown number of years (y) a tree will grow an unknown number of rings (r)
the number of years (y) a tree will grow
DAILY DOUBLE
Brittany has a maximum of $2,000 saved for a vacation. Her airplane ticket is $637. Write an inequality to show how much she can spend on everything else.
x + 637 is less than or equal to 2000
x is less than or equal to 1363
DAILY DOUBLE
This variable is not controlled by other variables
DAILY DOUBLE
Solve for x:
65 + x + 77 = 98
x = -44
Tom had 78 dollars to spend on 6 books (all costing the same amount). After purchasing the books, he had only $18 dollar leftover. What is the price of 1 book?
Write an equation for this situation and define the variable.
78 - 6b = 18
b = the cost of one book
Write an equation and identify the independent and dependent variables:
Albert runs three miles per day while working towards a total milage goal
3d = m
Days - independent
Total miles - dependent
Grace and two of her friends went to the mall. Each person has at least $25 to spend. How much money do the girls have altogether?
m is greater than or equal to 75
A symbol (such as a letter) that is a placeholder for a number
Variable