7th 5-1 Write 2 Step Equations

Eight more than four times a number is 28.

• 4x + 8 = 28

• 4x - 8 = 28

• 4x - 4 = 28

• 4(x + 8) = 28

You want to buy a pet rabbit that costs ​$242. You already have ​$62 and you plan to save ​$12 per week. If w represents the number of weeks until you have enough money to buy the rabbit​, what equation could you use to find the value of​ w? Use pencil and paper.

• 12w - 62 = 242

• 12 - 62w = 242

• 62 - 12w = 242

• 12w + 62 = 242

One of the banners in a parade is one-third as tall as it is long.  It is five feet tall.  If L represents the length of the banner in feet, what equation could you use to find the value of L?

You buy 2.45 pounds of apples and 1.65 pounds of pears. Apples and pears sell for the same price per pound. The total​ cost, after using a 75¢​-off ​coupon, is ​$4.12. If c represents the cost of the fruit in dollars per​ pound, what equation could you use to find the value of​ c?

• 4.1c + 0.75 = 4.12

• 4.1c - 75 = 4.12

• 2.75c + 0.75 = 4.12

• 4.1c - 0.75 = 4.12

Last​ night, Mike bought four DVD​'s online. Each DVD costs the same amount. With a ​$5.98 shipping charge​ included, the total cost came to ​$79.94. Write a word equation you could use to find the cost of each DVD.

A jar contains 18 ​strawberry, 24 ​cherry, and 19 ​lime-flavored candies. The rest of the candies are chocolate. There are 82 candies in all. If n represents the number of chocolates in the​ jar, what equation could you use to find​ n?

• 
• 
• 
• 

A rectangle has length 3 7/8 inches and area 6 15/16 square inches. Write an equation relating the​ rectangle's length and width to its area.

• 
• 
• 
• 

Faris wrote this equation to represent a​ real-world situation. Write a situation that could go with this equation.

6a - 16 = b

• 
• 
• 
• 

A chef prepares and evenly divides s ounces of beef stock into 3 smaller pans. The chef uses 8 ounces of beef stock from one of the smaller​ pans, and 34 ounces of beef stock remain in that smaller pan. Write an equation that correctly represents the number of ounces of beef stock s that the chef initially prepares.

• 
• 
• 
• 

At a graduation​ dinner, an equal number of guests were seated at each of 12 large​ tables, and 8 ​late-arriving guests were seated at a smaller table. There were 128 guests in all. If n represents the number of people seated at each of the large​ tables, what equation could you use to find the value of​ n?

• 
• 
• 
•