Ruben took 4 piano lessons last month. For each lesson, he memorized 2 major scales and x minor scales. Pick all the expressions that represent how many scales Ruben memorized last month. Multi-select Choices: (A)2 + 4x (B)4(2 + x) (C)8 + 4x (D)4 + 2x

Calculate Major Scales Memorized: Calculate the total number of major scales Ruben memorized in one month. He memorized 2 major scales per lesson and took 4 lessons. Calculation: 2 scales/lesson * 4 lessons = 8 scales.Calculate Minor Scales Memorized: Calculate the total number of minor scales Ruben memorized in one month. He memorized x minor scales per lesson and took 4 lessons. Calculation: x scales/lesson * 4 lessons = 4x scales.Add Total Scales Memorized: Add the total number of major and minor scales to find the total number of scales memorized. Calculation: 8 scales + 4x scales = 8 + 4x scales.

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Ruben took $4$ piano lessons last month. For each lesson, he memorized $2$ major scales and $x$ minor scales. $\newline$ Pick all the expressions that represent how many scales Ruben memorized last month. $\newline$ Multi-select Choices: $\newline$ (A) $2 + 4x$ $\newline$ (B) $4(2 + x)$ $\newline$ (C) $8 + 4x$ $\newline$ (D) $4 + 2x$

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Grade 8

Identify equivalent linear expressions: word problems

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Q. Ruben took

4

piano lessons last month. For each lesson, he memorized

2

major scales and

x

minor scales.

\newline

Pick all the expressions that represent how many scales Ruben memorized last month.

\newline

Multi-select Choices:

\newline

(A)

2 + 4x

\newline

(B)

4(2 + x)

\newline

(C)

8 + 4x

\newline

(D)

4 + 2x

Calculate Major Scales Memorized: Calculate the total number of major scales Ruben memorized in one month. He memorized $2$ major scales per lesson and took $4$ lessons. $\newline$ Calculation: $2$ scales/lesson $\times$ $4$ lessons = $8$ scales.
Calculate Minor Scales Memorized: Calculate the total number of minor scales Ruben memorized in one month. He memorized $x$ minor scales per lesson and took $4$ lessons. $\newline$ Calculation: $x$ scales/lesson $\times 4$ lessons $= 4x$ scales.
Add Total Scales Memorized: Add the total number of major and minor scales to find the total number of scales memorized. $\newline$ Calculation: $8$ scales + $4x$ scales = $8 + 4x$ scales.