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Simplify 479×789×81+2344\frac{7}{9} \times 7\frac{8}{9} \times 81 + 2\frac{3}{4}.

A3055.25

B3053.25

C3053.75

D3055.75

Answer:

D. 3055.75

Read Explanation:

The final simplified value is 3055.75

Following the BODMAS / PEMDAS rule, we perform the multiplication before the addition.

## Step 1: Convert mixed fractions into improper fractions

* 479=(4×9)+79=4394\frac{7}{9} = \frac{(4 \times 9) + 7}{9} = \frac{43}{9}

* 789=(7×9)+89=7197\frac{8}{9} = \frac{(7 \times 9) + 8}{9} = \frac{71}{9}

## Step 2: Solve the multiplication part

Substitute these improper fractions into the multiplication segment:

439×719×81\frac{43}{9} \times \frac{71}{9} \times 81

Notice that 9×9=819 \times 9 = 81 in the denominator perfectly cancels out the whole number 8181 in the numerator:

43×7181×81=43×71\frac{43 \times 71}{81} \times 81 = 43 \times 71

Now, compute the product:

43×71=305343 \times 71 = 3053

## Step 3: Perform the final addition

Add the remaining mixed fraction to the result:

3053+234=305534=3055.753053 + 2\frac{3}{4} = 3055\frac{3}{4}=3055.75


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