Rob paid \( \$ 50.15 \) for two pairs of jeans, which include a \( 15 \% \) discount. What was the price of one pair of jeans before the discount was added? \( \begin{array}{l}\$ 21.80 \\ \$ 29.50\end{array} \) \( \$ 59.00 \)

Find the absolute value of \( 5 \).

9. Lebensmiftelhāndler Müller kauft 240 Eier zu 23. Rp. pro Stück. Während des Transportes zerbrechen \( \frac{7}{40} \) der Eier. In seinem Laden kann er nur \( \frac{8}{9} \) der unbeschādigten Eier verkaufen, und zwar für 55 Rp . pro Stück. Wie gross ist sein Gewinn?

(b) A two-storey car park has a total of 1020 parking spaces. At \( 06: 30 \) hours one morning, \( \frac{1}{30} \) of the 1020 spaces are filled. During the next hour, no cars left the car park but another \( \frac{4}{15} \) of the 1020 spaces are filled. Determine the number of parking spaces that are NOT filled at \( 07: 30 \) hours. (c) \( \begin{array}{l}\text { Of the } 1020 \\ \text { the top level? }\end{array} \)

Write 196 as a product of its prime factors.

अलग-अलुग कीमतों वाले दो तटह के दूध \( 2: 3 \) अनुपात कें किलाए जाते हैं। यदि पहले दूध की कीमत रूपये/लीटर तथा दूसटे दूध की कीमत 15 रूपये/लीटर तो मिश्रण का औसत मूल्य (प्रति लीटर) ज्ञात करें?