Word Problems
Write an equation: A gym charges $20 to join and $15 per month.
C = 15m + 20
Find 10% of $80
$8
Round 3.456 to the nearest cent
3.46
Simplify: 3x + 4x
7x
Define "budget"
Write an equation & define the variable: You spend $8 per lunch for 5 days
Let x = total amount spent on lunches
L = lunches purchased
x = $8L * 5
Find total with 5% sales tax on $50
$52.50
Add: 12.50 + 9.95 + 4.10
26.55
Simplify: 2(3x+4)
6x+8
Calculate savings if income = $400 and you save 25%
$100
Write an equation: A taxi costs $3 plus $2 per mile.
C = 2m + 3
Find sale price after 25% discount on $40
$30
Multiply: 0.25 * 120
30
Simplify: 5x - 3 + 2x + 7
7x + 4
Rent is $600 out of $2400 income. Calculate rent as a percentage of income.
25%
Write a system of equations: Two friends are comparing phone plans.
- Plan A costs $40 per month plus $5 per GB of data
- Plan B costs $25 per month plus $8 per GB of data
C = 40 + 5g (Plan A)
C = 25 + 8g (Plan B)
You buy a phone for $250 and sell for $280, calculate your profit.
$30
Divide: 56.7 / 0.3
189
Solve: x + 5 = 9
x = 4
Calculate savings.
Income = $500
Rent = $150
Food = $100
Savings = 20%
$100
Write and solve system of equations. Find how many pens and pencils were purchased.
Pencils cost $1 each
Pens cost $2 each
A person buys twice as many pens as pencils and spends $5 total
p = number of pencils
n = number of pens
total cost:
$1p + $2n = 5
n = 2p
p = 1
n = 2
Find profit margin is profit = $15 and sale price = $60.
30%
Convert 7/8 to decimal
0.875
x = -5
You earn $15/hr plus $20 tips. Write an equation for total income (I).
I = 15h + 20