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Mathematics 11 Online
OpenStudy (anonymous):

Find two numbers such that the difference of one and three times the other is 48 and the product of the two numbers is as small as possible

OpenStudy (lsdxmdmaddicthc):

Okay so we have two unknown numbers, x and y

OpenStudy (lsdxmdmaddicthc):

"difference of one and three times the other is 48" x - 3y = 48

OpenStudy (lsdxmdmaddicthc):

Do you understand why I set it up like that?

OpenStudy (anonymous):

i think so

OpenStudy (anonymous):

x is one number, and 3 times the other, which is 3y, right?

OpenStudy (lsdxmdmaddicthc):

Yes, and the "difference between" means that we are subtracting

OpenStudy (lsdxmdmaddicthc):

So now you can experiment by plugging in pairs of numbers for x and y to see which ones fit the best.

OpenStudy (lsdxmdmaddicthc):

Remember that the product of the two numbers should be as small as possible, as stated in the question.

OpenStudy (anonymous):

is there anyway of making it easier? or is it just guess and check?

OpenStudy (lsdxmdmaddicthc):

I think it's just guess and check....

OpenStudy (anonymous):

okay thank you for the help

OpenStudy (lsdxmdmaddicthc):

You're welcome, do you think my response was the best? If so could you click "Best Response" next to one of my replies. ;)

OpenStudy (anonymous):

okay, I did it!

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