SOLUTION: My daughter had this problem in her homework last night. My husband and I both believe the correct answer should be 1; however, the teacher counted it wrong and said the correct a

Algebra ->  Conversion and Units of Measurement -> SOLUTION: My daughter had this problem in her homework last night. My husband and I both believe the correct answer should be 1; however, the teacher counted it wrong and said the correct a      Log On


   



Question 610953: My daughter had this problem in her homework last night. My husband and I both believe the correct answer should be 1; however, the teacher counted it wrong and said the correct answer was 36 in/yd. I still believe that would be 1 if it were totally simplified, but I could very well be wrong. Please help settle my mind on this one:
3ft/1yd x 12in/1ft
Thank you!

Found 2 solutions by scott8148, jim_thompson5910:
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
this is an exercise in units conversion, the units "cancel" just like a variable

%283+ft+%2F+1+yd%29+%2A+%2812+in+%2F+ft%29 = 36+in+%2F+yd

given that there are 3 feet in a yard and 12 inches in a foot, how many inches in a yard?


if you believe the answer should be one, I would be curious as to the technique and (especially) the units...

with further thought ___ you got one because 36 in IS a yd, so the numerator and denominator cancel
___ this serves as a check on the conversion


what was the actual homework question?

Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
(3ft/1yd) x (12in/1ft)

(3 ft x 12 in)/(1 yd x 1 ft)

(36 in)/(1 yd)

36 in/yd


So based on the information you've presented, the answer is 36 in/yd


Note: there may be more to the problem that is not written here (ie more context to it).
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