Resuelve los siguientes problemas. "En la cremería "La quesadilla", me venden \( 1 / 4 \) de crema a \( \$ 27 \), mientras que en la cremería "La vaquilla" me venden \( 3 / 4 \) de crema a \( \$ 78 \), ¿dónde me venden más barata la crema?

Convert 60 to 80 degrees Fahrenheit to degrees Celsius.

Express 1728 and 2025 in terms of their prime factors. Hence evaluate \( \frac{\sqrt[3]{1728}}{\sqrt{2025}} \)

На прополку \( \frac{2}{9} \) поля необходимо 5 дней. Определи, какую часть поля пропалывают за 1 день.

5. \( \sqrt{ } 4 \cdot \sqrt{ } 32 \)

17. Without using a calculator evaluate. 18. The lengths of three wires were \( 30 \mathrm{~m}, 36 \mathrm{~m} \) and 84 m . Pieces of wire of equal lenght were cat from the three wires. Calculate the least number of pieces obtained.