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Algebra Level 2

If 3<=x<=5 and 5<=y<=7 and if r=x/y what is the minimum value of r ?


The answer is 0.42.

Gaurav K Paujikeshra by Gaurav K Paujikeshra , 27, India

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1 solution

Min of r= min of x/ max of y , hence 3/7 = 0.42

0 Helpful 0 Interesting 0 Brilliant 0 Confused

Why is it that 3/7 is not accepted when typed when in fact that is the exact answer. 0.42 is wrong because 3/7 is approximately 0.42857....so when it rounds off to two decimal places it is 0.43..

Sajeni Malay - 6 years, 6 months ago

You must put in the problem that "Give your answer to 2 decimal places" or something like that. Nevertheless, your answer is still wrong(if the answer is restricted to two decimal places) because 3/7 = 0.428571... which rounds off to 0.43.

rhoy notes - 6 years, 8 months ago

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