Jonathan Yeow's answer to renee's Secondary 4 E Maths Singapore question.
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12 engineers, 30 cars, 6 days
12 engineers, 15 cars, 3 days (less cars, 1/2 time taken)
6 engineers, 15 cars, 6 days (less engineers, 2 times taken)
18 engineers, 15 cars, 2 days (more engineers, 1/3 time taken)
12 engineers, 15 cars, 3 days (less cars, 1/2 time taken)
6 engineers, 15 cars, 6 days (less engineers, 2 times taken)
18 engineers, 15 cars, 2 days (more engineers, 1/3 time taken)
Date Posted:
3 years ago
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