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Mathematics 20 Online
OpenStudy (anonymous):

Stella set up a business washing cars. She earned $80 in March. She is projected to earn 130% more in April. How much is Stella projected to make in April?

OpenStudy (saifoo.khan):

Find 130% of $80?

OpenStudy (anonymous):

isnt that 104? thats what i got i did 80 x 130/100

OpenStudy (saifoo.khan):

Yess.

OpenStudy (anonymous):

but it said it was wrong?

OpenStudy (anonymous):

the choices where A)104 B)184 C)210 D)234

OpenStudy (saifoo.khan):

That's because it said 130% MORE! Not 30% more.

OpenStudy (anonymous):

what? then how do i write that down?

OpenStudy (anonymous):

so its not 80 x 130/100?

OpenStudy (saifoo.khan):

\[80 + {80}\frac{130}{100}\]

OpenStudy (anonymous):

oh

OpenStudy (anonymous):

i got 81.3?

OpenStudy (anonymous):

nevermind

OpenStudy (anonymous):

now i got 161.3?

OpenStudy (anonymous):

im doing something wrong here @saifoo.khan

OpenStudy (saifoo.khan):

http://bit.ly/1D0Aorp

OpenStudy (anonymous):

oh now i get it thank you

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