self Maths Puzzle



The speed of a cheetah is a constant 2 km per minute. How many km can the cheetah run in 55 minutes?

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self Other Question

Gwen can run up one flight of stairs in 8 seconds and run down in 3 seconds. How long (in seconds) will it take her to run up and down 5 flights of stairs? Last year, the number of employees at a company was equal to 600, and the ratio of men to women was 5:3. The company hired new employees with a men to women ratio of 1:2 this year, which made the new overall men to women ratio 4:3. How many new employees did the company hire this year?