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The length of a big rod and a small rod is 30 metres. The length of 6 small rods and 8 big rods and a medium rod is 230 metres. The total length of a medium rod and a big rod is 32 metres. Find the total length of all 6 medium rods.
A dictionary and a magazine cost $24. Cindy bought 7 such magazines, 5 such dictionaries and a textbook for $154. The total cost of a magazine and textbook was $20. How much did she pay for the dictionaries?
There are 240 beads in a long chain and a short chain. The total number of beads in 2 long chains and 9 short chains is 1152. If each long chain has an equal number of beads and each short chain has an equal number of beads, how many more beads has a long chain compared to a short chain?
The total cost of 8 magazines and 4 dictionaries is $86. The total cost of 2 magazines and 2 dictionaries is $26. Find the total cost of 9 magazines and 8 dictionaries. Notes to students: Round your answer off to 2 decimal places ...
There are some men and women in a factory A man and a woman have a total monthly salary of $800. 5 men and 3 women receive a total monthly salary of $3600. If there are 15 women and twice as many men, how much was the total salary paid out to the men and women for 2 months altogether?