Equations in the Real World Problems

Equations and Bar Diagrams Keyani spent $70 for 4 hours of dance classes. How much did she spend per hour of dance class?

2-step

Equations and Bar Diagrams Brandy wants to buy a digital camera that costs $300. Suppose she saves $15 each week. In how many weeks will she have enough for the camera?

Syreeta wants to buy some CDs that each cost $14 and a DVD that costs $23. she has $65. write and solve an equation to find how many CDs she can buy. 14c + 23 = 65

Cristiano is saving money to buy a bike that costs $189 Cristiano is saving money to buy a bike that costs $189. He has saved $99 so far. He plans on saving $10 each week. In how many weeks will he have enough money to buy the bike?

Suppose your school is selling magazine subscriptions Suppose your school is selling magazine subscriptions. Each subscription costs $20. The company pays the school half of the total sales in dollars. The school must also pay a one-time fee of $18. What is the fewest number of subscriptions that can be sold to earn a profit of $200?

The perimeter of the rectangle is 48 centimeters The perimeter of the rectangle is 48 centimeters. Its length is 16 centimeters. What is the width w? Draw a bar diagram.

Multi-step

Mark has two summer jobs. He babysits and helps with the gardening Mark has two summer jobs. He babysits and helps with the gardening. He works at each job three days a week and earns a total of $240. The table shows his earnings each day. How much does he earn each day babysitting? (x + 30) 3 bars = 240 3(x + 30) = 240 Job Daily Earnings ($) Babysitting x Gardening 30

Viajay and his brother bought two hamburgers and two lemonades Viajay and his brother bought two hamburgers and two lemonades. The hamburgers cost $6 each. they spent a total of $16. How much did each lemonade cost? 2(x + 6) = 16

Mr. Singh had three sheets of stickers Mr. Singh had three sheets of stickers. He gave 20 stickers from each sheet to his students and has 12 total stickers left. Write an equation to find how many stickers were originally on each sheet. 3(s – 20) = 12

The length of each side of an equilateral triangle is increased by 5 inches, so the perimeter is now 60 inches. Write an equation to find the original length of each side of the equilateral triangle. 3(l + 5) = 60

Create a story with the equation 2x + 6 = 48

Create a story with the equation 3x + 40 = 85

Create a story with the equation 3x – 1 = 8

Create a story with the equation 2(x + 6) = 48

Create a story with the equation 3(x – 4) = 3

Create a story with the equation 4(x + 15) = 140

Independent Practice

Create your own story and equation. Solve it! Early finishers are to create a comic strip.