`(17.28div?)/(3.6xx0.2)=2`

Options

A. 120
B. 1.2
C. 12
D. 0.12

Answer

To solve the equation \((17.28 \div ?)/(3.6 \times 0.2) = 2\), we will follow these steps:

### Step 1: Simplify the denominator
First, we need to calculate the denominator \(3.6 \times 0.2\).

\[ 3.6 \times 0.2 = 0.72 \]

### Step 2: Rewrite the equation
Now, we can rewrite the equation with the simplified denominator:

\[ \frac{17.28 \div ?}{0.72} = 2 \]

### Step 3: Eliminate the fraction
To eliminate the fraction, we can multiply both sides of the equation by \(0.72\):

\[ 17.28 \div ? = 2 \times 0.72 \]

Calculating the right side:

\[ 2 \times 0.72 = 1.44 \]

So, we have:

\[ 17.28 \div ? = 1.44 \]

### Step 4: Solve for the question mark
Now, we can express this as:

\[ 17.28 = 1.44 \times ? \]

To find \(?\), we divide both sides by \(1.44\):

\[ ? = \frac{17.28}{1.44} \]

### Step 5: Calculate the value
Now, we perform the division:

\[ ? = \frac{17.28}{1.44} = 12 \]

### Final Answer
Thus, the value of the question mark \(?\) is:

\[ ? = 12 \]