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What is the value of [88-44-:(22xx4)" of...

What is the value of `[88-44-:(22xx4)" of "((1)/(2)-(1)/(4)-:(1)/(8))]?`

A

`(265)/(3)`

B

`(703)/(9)`

C

`(514)/(9)`

D

`(711)/(3)`

Text Solution

AI Generated Solution

The correct Answer is:
To solve the expression \[ 88 - 44 \div \left( 22 \times 4 \right) \text{ of } \left( \frac{1}{2} - \frac{1}{4} \div \frac{1}{8} \right) \], we will follow the order of operations, often abbreviated as BODMAS/BIDMAS (Brackets, Orders, Division and Multiplication, Addition and Subtraction). ### Step-by-Step Solution: 1. **Identify the innermost brackets**: We start with the circular bracket \(\left( \frac{1}{2} - \frac{1}{4} \div \frac{1}{8} \right)\). **Hint**: Always start with the innermost brackets first. 2. **Solve the division inside the circular bracket**: \[ \frac{1}{4} \div \frac{1}{8} = \frac{1}{4} \times \frac{8}{1} = \frac{8}{4} = 2 \] Now the circular bracket becomes: \[ \frac{1}{2} - 2 \] **Hint**: Remember that dividing by a fraction is the same as multiplying by its reciprocal. 3. **Complete the circular bracket**: \[ \frac{1}{2} - 2 = \frac{1}{2} - \frac{4}{2} = -\frac{3}{2} \] **Hint**: Convert to a common denominator when subtracting fractions. 4. **Now substitute back into the expression**: The expression now looks like: \[ 88 - 44 \div \left( 22 \times 4 \right) \text{ of } -\frac{3}{2} \] **Hint**: Substitute back carefully to avoid mistakes. 5. **Calculate \(22 \times 4\)**: \[ 22 \times 4 = 88 \] **Hint**: Simple multiplication can often be overlooked; double-check your calculations. 6. **Now substitute this back into the expression**: \[ 88 - 44 \div 88 \text{ of } -\frac{3}{2} \] **Hint**: Keep track of the operations as you substitute values. 7. **Calculate the division**: \[ 44 \div 88 = \frac{44}{88} = \frac{1}{2} \] **Hint**: Simplifying fractions can make calculations easier. 8. **Now substitute this back into the expression**: \[ 88 - \frac{1}{2} \text{ of } -\frac{3}{2} \] **Hint**: Ensure you understand the meaning of "of" in mathematical terms (it usually indicates multiplication). 9. **Calculate the multiplication**: \[ \frac{1}{2} \times -\frac{3}{2} = -\frac{3}{4} \] **Hint**: When multiplying fractions, multiply the numerators and denominators separately. 10. **Now substitute this back into the expression**: \[ 88 - \left( -\frac{3}{4} \right) = 88 + \frac{3}{4} \] **Hint**: Subtracting a negative is the same as adding a positive. 11. **Convert 88 to a fraction**: \[ 88 = \frac{88 \times 4}{4} = \frac{352}{4} \] **Hint**: Converting whole numbers to fractions can help with addition. 12. **Add the fractions**: \[ \frac{352}{4} + \frac{3}{4} = \frac{352 + 3}{4} = \frac{355}{4} \] **Hint**: Always ensure the denominators are the same before adding fractions. ### Final Answer: The value of the expression is \(\frac{355}{4}\) or \(88.75\).
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