Help needed at once!!!?!
Question: Help needed at once!!!!?
A student played 500 computer games and won 370 of them!.
He then played x games and lost none!.
He has now won 75% of all the games he has played!.
Find the value of x!.Www@Enter-QA@Com
He then played x games and lost none!.
He has now won 75% of all the games he has played!.
Find the value of x!.Www@Enter-QA@Com
Answers:
(370+x/500+x)X100%=75%
(370+x/500+x)X100/100=75/100
(370+x/500+x)X1=0!.75
370+x/500+x=0!.75
370+x=0!.75(500+x)
370+x=375+0!.75x
x-0!.75x=375-370
0!.25x=5
x=5/0!.25
x=20
understand!?Www@Enter-QA@Com
(370+x/500+x)X100/100=75/100
(370+x/500+x)X1=0!.75
370+x/500+x=0!.75
370+x=0!.75(500+x)
370+x=375+0!.75x
x-0!.75x=375-370
0!.25x=5
x=5/0!.25
x=20
understand!?Www@Enter-QA@Com
when the student played 500 games and one 370!.!.!. it averaged at 74%
then to get to 75 percent all he needed to do is play and win 5 games
the answer is 5 Www@Enter-QA@Com
then to get to 75 percent all he needed to do is play and win 5 games
the answer is 5 Www@Enter-QA@Com
The answer is 20!.
500 + 20 = 520
370 + 20 = 390
390 divide by 520 equals 0!.75 (75%)Www@Enter-QA@Com
500 + 20 = 520
370 + 20 = 390
390 divide by 520 equals 0!.75 (75%)Www@Enter-QA@Com
x = 20
He won 370 + 20 = 390
played: 500 + 20 = 520
390*100/520=75%!!Www@Enter-QA@Com
He won 370 + 20 = 390
played: 500 + 20 = 520
390*100/520=75%!!Www@Enter-QA@Com
The value of x is indeed 5!.!.!.!Www@Enter-QA@Com
5 (AM I CORRECT)Www@Enter-QA@Com