Karen bought three full bags of flour to make bread. All three bags had the same amount of flour in them. She used \( \frac{1}{3} \) from the first bag, \( \frac{1}{6} \) from the second bag and \( \frac{1}{2} \) from the third bag. She had a total of 10 kilograms of flour left, how many kilograms of flour were in one full bag? ( 2 marks)

The department of Mathematics of a certain university in a recent survey was found to consist of 80 faculty members. 40 male professors 38 married professors 26 professors with more than ten years of service 15 married male professors 13 male professors with more than ten years of service 12 married professors with more than ten years of service 6 married male professors with more than ten years of service d. How many female professors are still single and have less than ten years in service? e. How many married male professors have more than ten years of service?

(ii) \( \left(\frac{4}{a}\right)^{2} \)

9 Simplifie : \( \sin \frac{\pi}{5}+\sin \frac{3 \pi}{10}+\sin \frac{7 \pi}{10}+\sin \frac{4 \pi}{5}+\sin \frac{6 \pi}{5} \)

34. A \( \$ 75,000 \) mortgage loan requires a discount of \( \$ 1 \), sys to low pald tyy the seller. Mow many polntes is thits equivalent to? a. 2.5 b. 5 c. 2 d. 4.5

A restaurant made \( \$ 5.987 \) on Friday It made \( \$ 1,527 \) more on Saturday than on Friday. On Sunday, the restaurant made \( \$ 2,641 \) How much money did the restaurant make in the days? Is your answer reasonable? Explain.