Solve a one step equation using multiplication with a mixed number

The video tutorial guides viewers through solving an equation involving a mixed number and a variable. The teacher explains the process of undoing division by multiplication and converting mixed numbers to improper fractions for multiplication. The solution is found and simplified, with emphasis on understanding the steps involved.

What is the initial equation presented in the video?

• 3r = 6 3/4

• r = 6 3/4 * 3

• 6 3/4 = r / 3

• r / 3 = 6 3/4

What operation is used to undo division in the equation?

• Subtraction

• Division

• Addition

• Multiplication

How do you convert a mixed number to an improper fraction?

• Subtract the numerator from the whole number

• Divide the numerator by the denominator

• Multiply the denominator by the whole number and add the numerator

• Add the whole number to the fraction

What is the improper fraction form of 6 3/4?

• 24/4

• 27/4

• 30/4

• 81/4

What is the decimal equivalent of the solution to the equation?

• 20.5

• 20.25

• 21.25

• 19.75