Translate Real-Life Scenarios into Equations and Variables

A store sells pencils for $0.50 each. If you buy x pencils and spend $4.00, how many pencils did you buy?

• 8

• 6

• 10

• 12

Maria has 3 times as many marbles as John. If John has y marbles, write an equation to represent how many marbles Maria has.

• M = 3y

• M = y/3

• M = 2y

• M = y + 3

A recipe calls for 2 cups of flour and x cups of sugar. If the total amount of flour and sugar is 5 cups, how much sugar is needed?

• 3 cups of sugar

• 1 cup of sugar

• 2 cups of sugar

• 4 cups of sugar

Tom is 5 years older than his sister. If his sister is z years old, write an equation to find Tom's age.

• Tom's age = z - 5

• Tom's age = z - 10

• Tom's age = z + 10

• Tom's age = z + 5

A car travels at a speed of 60 miles per hour. If it travels for t hours, how far does it go? Write the equation for distance.

• distance = 60t^2

• distance = 60/t

• distance = 60 + t

• distance = 60t

A box contains x apples and 10 oranges. If there are 30 fruits in total, how many apples are in the box?

• 15

• 25

• 5

• 20

Lily has $50. She spends x dollars on a book. Write an equation to find out how much money she has left.

• 50 - x

• 50 + x

• x - 50

• 50 * x

A garden has 4 times as many flowers as bushes. If there are b bushes, write an equation to find the number of flowers.

• flowers = 3b

• flowers = 2b

• flowers = b/4

• flowers = 4b

A movie ticket costs $12. If you buy x tickets and spend $60, how many tickets did you buy?

• 5

• 7

• 6

• 4

A rectangle has a length of 2x and a width of 5. If the perimeter is 30, write an equation to find the value of x.

• 20

• 5

• 15

• 10