Question

which expression is not equivalent to $24 + 18$?
answer
$\circ$ $6(4 + 3)$ $\circ$ $2(12 + 9)$
$\circ$ $3(8 + 6)$ $\circ$ $6(4 + 4)$

Explanation:

First, calculate the value of \(24 + 18\):
\(24+18 = 42\)

Step 1: Evaluate \(6(4 + 3)\)

First, calculate the expression inside the parentheses: \(4 + 3=7\)
Then multiply by 6: \(6\times7 = 42\)

Step 2: Evaluate \(2(12 + 9)\)

First, calculate the expression inside the parentheses: \(12+9 = 21\)
Then multiply by 2: \(2\times21=42\)

Step 3: Evaluate \(3(8 + 6)\)

First, calculate the expression inside the parentheses: \(8 + 6=14\)
Then multiply by 3: \(3\times14 = 42\)

Step 4: Evaluate \(6(4 + 4)\)

First, calculate the expression inside the parentheses: \(4+4 = 8\)
Then multiply by 6: \(6\times8=48\)

Since \(48
eq42\), the expression \(6(4 + 4)\) is not equivalent to \(24 + 18\).

Answer:

\(6(4 + 4)\)