18. The distance between Busia to Nairobi is 360 km . A bus left Busia at \( 7: 30 \) am and traveled towards Nairobi at an average speed of \( 90 \mathrm{~km} / \mathrm{h} \). A Nissan left Nairobi at \( 9: 30 \) am on the same day and traveled towards Busia at an average speed of \( 120 \mathrm{~km} / \mathrm{h} \). Calculate. i. How far from Busia they met to the nearest whole number.

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.

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

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

Умножь: \( \frac{2}{17} \cdot 4=\frac{\square}{\square} \).

Convert 60 to 80 degrees Fahrenheit to degrees Celsius.