c) \( 125+25 \div 5-(250 \times 2 \div 50)+144 \div 12-15= \)

Lelt's Discuss A wristwatch was sold for Php 2500.00 with a \( 20 \% \) discount. What was the original price of the wristwatch? Solution: \( D R=20 \%, \mathrm{SP}=2,500, \mathrm{OP}= \) ?

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.

a. \( \frac{1}{4} \cdot \frac{3}{4}= \)

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.