Write the Sentence as an Equation Containing Parentheses $1,200 = 25 ( x + 4 ) ; x = 44 \text { seats }$

question 53

Multiple Choice

Write the sentence as an equation containing parentheses. Solve the equation. At an outdoor concert, the staff adds 4 seats to each row of x seats. There are 25 rows altogether, and there are 1,200 seats altogether. How many seats, x, were in the original rows?

• A) \(1,200 = 25 ( x + 4 ) ; x = 44 \text { seats }\)
• B) \(1,200 = 25 ( x + 4 ) ; \quad x = 43 \text { seats }\)
• C) \(1200 = 25 ( x + 3 ) ; x = 44 \text { seats }\)
• D) \(1200 = 25 ( x - 3 ) ; x = 44 \text { seats }\)
• E) \(1200 = 25 ( x - 3 ) ; x = 43 \text { seats }\)

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Definitions:

Chromium

A lustrous, hard, and brittle metallic element used in alloys to increase strength and corrosion resistance.

Krypton

A chemical element with the symbol Kr and atomic number 36, a noble gas used in lighting and photography.

Cobalt

A chemical element with the symbol Co and atomic number 27, known for its metallic properties and use in alloys and batteries.

Mixture

A combination of two or more substances in which each substance retains its chemical identity and properties.