Evaluate the expression. 1/2 - 1/4 * 3/4 Write your answer as a fraction or as a whole or mixed number. ______

Calculate number of rolls: First, we need to determine how many rolls of tape the electrician needs by dividing the total amount of tape required by the amount of tape on each roll. Calculation: 8,000 cm (total tape needed) ÷ 2,000 cm (tape per roll) = 4 rollsDetermine quantity to order: Since we have calculated the number of rolls without any complications, we can conclude that the electrician should order 4 rolls of tape.

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Math Problems

Grade 7

Evaluate numerical expressions involving fractions

Full solution

Q. Evaluate the expression.

\newline

\frac{1}{2} - \frac{1}{4} \times \frac{3}{4}

\newline

Write your answer as a fraction or as a whole or mixed number.

\newline

______

Calculate number of rolls: First, we need to determine how many rolls of tape the electrician needs by dividing the total amount of tape required by the amount of tape on each roll. $\newline$ Calculation: $8,000 \, \text{cm}$ (total tape needed) $\div 2,000 \, \text{cm}$ (tape per roll) $= 4$ rolls
Determine quantity to order: Since we have calculated the number of rolls without any complications, we can conclude that the electrician should order $4$ rolls of tape.