SOLUTION: denise went skiing t times last year. this time she went less than half the amount of last year. If denise skied a total of 21 times during the last two years how many times did sh

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: denise went skiing t times last year. this time she went less than half the amount of last year. If denise skied a total of 21 times during the last two years how many times did sh      Log On


   

Question 1038685: denise went skiing t times last year. this time she went less than half the amount of last year. If denise skied a total of 21 times during the last two years how many times did she ski last year?
Found 2 solutions by solver91311, stanbon:
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Number of times last year:

Number of times this year:







But the most number of times that she could have gone last year was 21 (if she didn't actually go at all this year), so:



John

My calculator said it, I believe it, that settles it

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
denise went skiing t times last year. this time she went less than half the amount of last year. If denise skied a total of 21 times during the last two years how many times did she ski last year?
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last year::: t times
this year::: t/2 times
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Equation:
t + t/2 = 21
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(3/2)t = 21
t = 2/3 * 21
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t = 14 (last year's total)
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Cheers,
Stan H.
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