Glad to see I'm not the only one! My 5 year old son got his for Christmas and all of a sudden the speaker stopped working. I make sure he takes wonderful care of it. Are we out the 70 dollars we paid if we no longer have the receipt?
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D=S+20 (Dad is 20 years older than Son)
D+10 = 2xS (In ten years Dad will be twice Son's current age)
therefore (by substitution):
S+20+10 = 2xS
S+30 = 2S
2S = S+30
2S-S = 30 (subtract S from both sides) S = 30 (Son's current age) *answer*
D = S+20
D = 30+20 D = 50 (Dad's current age) *answer*
In ten years, Dad will be 60, which is twice Son's current age of 30.
Just called Leap Frog and apparently this is a common problem (defective screen). As long as it was purchased within a year they will replace it for free. They ask you when and where you bought it. (You have to pay to send the broken one back it was like $5). Hope this helps.
http://www.dspdesignline.com/showArticle.jhtml?articleID=196900003 The above link has the detailed description of how a matlab code is converted into C language.Hope this solved your problem.Please do rate if the problem is solved.
Since you have the answer, the easiest way to work with this is to work with real numbers and break it down. What are the knowns?
Rose + 25 = Dad
10 + 25 = 35 (today)
5 years ago, Dad (then 30) was 2x old as Rose will be 5 years from now (+5), or (30/2) -5 = 10
You can also put this into formulas
Rose + 25 = Dad
Dad - 5 = 2 * (Rose + 5)
So, if Dad = Rose + 25, you can substitute one for the other in the 2nd formula, like so:
(Rose + 25) - 5 = 2 * (Rose + 5)
Rose + 20 = 2 * (Rose + 5)
Now, you can solve for Rose and eventually come up with 10
1.Go to the Control Panel 2. Click sound and audio properties 3. Then click the option hardware 4. U now see the list of audio properties software name 5. Click the software properties to check whether at Device Usage => Use this device (Enable) 6. Check all the other option can enabled it or not 7. If it not working or cleared, try to reinstall audio driver software.