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Euro coins

2€ are exchanged. You get three times as many 10 cent coins as 20 cent coins. How many 10 cent and how many 20 cent coins do you get?

# Terms with variables

Modeling

Class trip

For a class trip, each student pays 37€ less than the teachers traveling with them. There are 28 students and 2 teachers. The total cost is 3674€. Which of the equations are correct?

# Terms with variables

Reasoning

Cooking pot

One cooking pot weighs 9kg with lid. The pot is five times heavier than the lid. How much does the pot weigh and how much does the lid weigh?

# Terms with variables

Modeling

Describe the equation

Fill in the blanks to describe the equation: 4 - 3x = -11

# Linear equations

# Terms with variables

Training

Solving linear equation 2

Solve the linear equation by equivalent transformation. 24x - 36 = 6

# Linear equations

Training

Set up a linear equation

Ron is 6 times as old as Lilly. The age difference between the two is 10 years. How old is Lilly? Write an equation for Lilly's age using the variable x for her age.

# Terms with variables

Reasoning

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