Writing One Step Equations & Inequalities from Word Problems

In 2010, a tree was 8 feet tall. In 2011 the tree was 14 feet tall. Let f represent the number of feet the tree grew.

• f + 8 = 14

• f - 8 = 14

• f/8 = 14

• 8f = 14

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Joey and four of his friends went out to eat. They decided to split the bill evenly. Each person paid $11.13. Let b represent the total bill.

• b + 5 = 11.13

• b - 5 = 11.13

• b/5 = 11.13

• 5b = 11.13

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Sally bought three candy bars for a total of $18.00. Let c represent the cost of each candy bar.

• c + 3 = 18

• c - 3 = 18

• c/3 = 18

• 3c = 18

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Amy's parents gave her money for good grades on her report card. She spent $15.00 and now has $25.32. Let m represent the amount of money her parents gave her.

• m + 15 = 25.32

• m - 15 = 25.32

• m/15 = 25.32

• 15m = 25.32

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Working together, Joy and Steve collected 53 pounds of aluminum cans for recycling. Joy collected 20 pounds. Let x represent the amount that Steve collected.

• 20x = 53

• x - 20 = 53

• x - 53 = 20

• x + 20 = 53

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Robin made $24.00 one weekend and some the next month. After the two months, she had a total of $65.00. Let x represent the amount of money she made the second month

• 24 m = 65

• m/24 = 65

• m + 24 = 65

• m - 24 = 65

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Billy spent $63 at the store. He bought 5 items that each cost the same amount. Let x represent the cost of each item.

• x/5 = 62

• x - 5 = 62

• 5x = 62

• x + 5 =63

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Nancy won some pieces of gum playing the bean bag toss at the county fair. At school she gave 21 pieces of gum away to her classmates. She only has 5 remaining. Let x represent the number of pieces she won.

• x/21 = 5

• x - 21 = 5

• x - 5 = 21

• x + 5 = 21

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Nicole and her best friend split the amount of money they earned over the weekend mowing lawns. Each one of them got $10.93. Let x represent the amount of money the earned together.

• 2x = 10.93

• x/2 = 10.93

• x - 2 = 10.93

• x + 2 = 10.93

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After paying $3.32 for a sandwich, Brenda has $19.79. Let x represent the amount of money Brenda had to start.

• 3.32x = 19.79

• x - 19.97 = 3.32

• x - 3.32 = 19.79

• x/3.32 = 19.79

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