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Mathematics 16 Online
OpenStudy (anonymous):

When a number is decreased by 20% of itself, the result is 20. What is the number?

OpenStudy (anonymous):

100.

OpenStudy (anonymous):

Thats wrong.

OpenStudy (anonymous):

?

OpenStudy (anonymous):

20% of 100 is 20, so 100-20 is 80

OpenStudy (anonymous):

so is the answer 40?

OpenStudy (anonymous):

x- 20/100 (x) =20 x-x/5 = 20 4x = 100 x=25 i hope...

OpenStudy (anonymous):

^ thats correct

OpenStudy (anonymous):

I am weak at taking a word problem and turning into the equation. I hate math!!!!

OpenStudy (anonymous):

ha... its very simple when u r good at english dude.. try giving it a try!!!! @mamabird125

OpenStudy (anonymous):

I am a girl not a dude. you are quite rude.

OpenStudy (anonymous):

ohh.... am sorry... :))))))) @mamabird125

OpenStudy (anonymous):

Since you are so smart try answering my question f(x) = 6.75sqrt(x) + 12 when the year is 1993 to find out what year amount will = 45.75 in billions.

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