Translate & Solve: Real-Life Algebraic Equations

A store sells pencils for $2 each. If you buy x pencils and spend $10, how many pencils did you buy?

• 3

• 7

• 10

• 5

Maria has 5 more than twice the number of apples that John has. If John has x apples, write an equation to represent the number of apples Maria has.

• M = 2x + 5

• M = x + 5

• M = 3x + 5

• M = 2x - 5

A book costs $15. If you have y dollars, how much more money do you need to buy the book?

• 15 - y

• y / 15

• y - 15

• 15 + y

Tom is 3 years older than his sister. If his sister is x years old, write an equation to find Tom's age.

• Tom's age = 2x + 3

• Tom's age = x + 3

• Tom's age = x + 5

• Tom's age = x - 3

A car rental company charges a flat fee of $50 plus $20 for each day you rent the car. If you spent a total of y dollars, how many days did you rent the car?

• (y + 50) / 20

• (y - 20) / 50

• (y - 50) / 20

• (y - 50) * 20

A recipe calls for 2 cups of sugar. If you want to make x batches of the recipe, how many cups of sugar do you need? Write an equation to represent this.

• total sugar = x - 2

• total sugar = 2 / x

• total sugar = 2 * x

• total sugar = 2 + x

A gardener has x flowers and buys 7 more. If he now has 20 flowers, how many flowers did he start with?

• 17

• 10

• 13

• 15

A movie ticket costs $12. If you have z dollars, how many tickets can you buy? Write an equation to find the number of tickets.

• number of tickets = z * 12

• number of tickets = z - 12

• number of tickets = z / 12

• number of tickets = z + 12

Lisa has twice as many stickers as her friend. If her friend has x stickers, write an equation to represent the number of stickers Lisa has.

• L = x/2

• L = 2x

• L = x

• L = 3x

A bike costs $200. If you have y dollars saved, how much more do you need to buy the bike?

• y / 2

• 200 + y

• y - 200

• 200 - y