QuestionFind the expression for the height of a brick wall with each brick 2.5 inches high and $r$ rows. Choices: $2.5+r$ , $2.5 r+r$ , 2.5, $2.5 r$ .

Studdy Solution

STEP 1

Assumptions1. The height of each brick is.5 inches. r represents the number of rows of bricks3. Each row of bricks is stacked directly on top of the other, so the height of the wall is the sum of the heights of all the bricks4. Each brick in a row is of the same height

STEP 2

We need to find an algebraic expression that represents the height of the brick wall. Since each brick has a height of2.5 inches and r represents the number of rows, we can multiply the height of each brick by the number of rows to get the total height of the wall.
$Height\, of\, the\, wall = Height\, of\, each\, brick \\times Number\, of\, rows$

STEP 3

Now, plug in the given values for the height of each brick and the number of rows to form the algebraic expression.
$Height\, of\, the\, wall =2.5r$ The algebraic expression that represents the height of the brick wall is $2.5r$ .

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