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Question

Hi, need help with these 2 questions pls. Thank you. 

Answer

10) Two things are true:

a) Joyce = Ali + 260

b) Joyce – 44 = 5 x Ali, which means Joyce = (5 x Ali) – 44

So Ali + 260 = (5 x Ali) – 44, which means 4 x Ali = 304, and Ali = 304/4 = 76.

Back to a), since Ali = 76, Joyce = 76 + 260 = 336. (Solved.)

 

11) Two things are true for Mr Rahmat:

a) Books + Files = 480, which means Books = 480 – Files

b) Books/2 = Files -105, which means Books = (2 x Files) – 210

So 480 – Files = (2 x Files) -210, which means 3 x Files = 690, and Files = 230. (Solved.)

Back to a), since Files = 230, Books = 480 – 230 = 250. (Just to finish off.)

 

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