Writing Equations
An electrician earns $30 per hour and made $180 total. Write an equation to find hours worked.
Answer: 30h = 180
5x = 45
Answer: x = 9
You have $20. Each snack costs $3. Write an inequality for number of snacks s you can buy.
Answer: 3s ≤ 20
Each movie ticket costs $12. You spend $84 total. Write an equation.
Answer: 12t = 84
n ÷ 6 = 8
Answer: n = 48
You need at least 50 volunteer hours. You have h hours.
Answer: h ≥ 50
x − 17 = 33
Answer: x = 50
Each shirt costs $18. You have less than $90.
Answer: 18s < 90
−4x = 52
Answer: x = −13
You want to save more than $500. You save $25 each week.
Answer: 25w > 500
-42 = -2 + x
Answer: x =-40
You must be under 200 pounds to ride. Your weight is p.
Answer: p < 200