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OpenStudy (anonymous):
The sum of the two digits of a number is 9. If the tens digit is one-half the units digit, what is the number? Let t = the tens digit, u = the units digit, and t + u = 9. Which of the following equations would complete the system? t =1/2u u =1/2t t - u =1/2
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OpenStudy (anonymous):
HELP PLEASE!
OpenStudy (anonymous):
36? 3 is half of 6, and they equal nine :)
OpenStudy (anonymous):
Or the other way around
OpenStudy (anonymous):
so is it a, b or c
OpenStudy (anonymous):
I think its a
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