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Mathematics 15 Online
OpenStudy (selena2345):

Val scored 85% on a test with 60 mutiple choice questions.How many problems did Val answer correctly ?

OpenStudy (anonymous):

if you get a score on you paper it is written like how?

OpenStudy (anonymous):

i mean sometimes not all

OpenStudy (anonymous):

you might see a 98 meaning you got 98 questions correct out of 100 ---- 100 coicedentally it also means that you got 98 percent as you score

OpenStudy (anonymous):

calculate it as you see it :P

OpenStudy (selena2345):

i don't understand what you wrote

OpenStudy (anonymous):

98 --- 100 98 divided by 100 ?

OpenStudy (anonymous):

i spelled coincidentally wrong :P

OpenStudy (selena2345):

98/100=0.98

OpenStudy (anonymous):

then for percentage you must move the decimal place 2 spaces back

OpenStudy (anonymous):

95%

OpenStudy (selena2345):

okay 95% is the answer

OpenStudy (anonymous):

to get a decimal numeric value move 2 spaces foward

OpenStudy (selena2345):

can you give me the answer @iforgot

OpenStudy (anonymous):

the answer souldnt be a decimal or percentage, 1 min

OpenStudy (anonymous):

an answer to that example

OpenStudy (selena2345):

okay @lillybeth123

OpenStudy (anonymous):

but do you know how calculate percentage problems back and forth?

OpenStudy (selena2345):

no

OpenStudy (anonymous):

the answer should be a number of questions correctly answered

OpenStudy (anonymous):

that is what the question was asking

OpenStudy (selena2345):

what is the answer @iforgot

OpenStudy (anonymous):

lets finish your question first...

OpenStudy (anonymous):

it will be too confusing doing 2 things at once

OpenStudy (anonymous):

i can look it up later, but im in a quiz, ill tell you the answer in a bit.

OpenStudy (anonymous):

ok back to my example this is a given situation TEST SCORE 98 --- 100

OpenStudy (anonymous):

This means that 98 --- 100 <--- number of test problems

OpenStudy (anonymous):

98 <--- number test problems correct --- 100 <--- number test problems

OpenStudy (anonymous):

i don't see wat 98 has to do with her problem.

OpenStudy (anonymous):

if you see my posts this is an example

OpenStudy (anonymous):

she/he has said that they are not very clear on percentage calculation

OpenStudy (anonymous):

98 <--- % out of --- 100 <--- number of problems this is synonymous when it is # % out of #

OpenStudy (anonymous):

i think she/he has to say \[\frac{ 85 }{ 100 }\] and multiply it by 60

OpenStudy (anonymous):

as i said in my examples 98 < --- correct --- = percentage yield 100 <--- # prob. you want # correct simple 60 <--- #prob --- = correct 85 <--- percent yield

OpenStudy (anonymous):

use what you want to solve for

OpenStudy (anonymous):

@Selena2345 do you understand y i am doing this?

OpenStudy (selena2345):

no

OpenStudy (anonymous):

do you understand 98 --- = 98 % 100

OpenStudy (anonymous):

?

OpenStudy (anonymous):

"point" 98 (or any number) becomes a percent when the decimal space is moved back 2 places .98

OpenStudy (anonymous):

therefore 98 --- = .98 = 98% 100

OpenStudy (anonymous):

@Selena2345 you understand that?

OpenStudy (anonymous):

if i had 1 it becomes 100% 1.5 it becomes 150% .25 it becomes 25%

OpenStudy (anonymous):

@Selena2345 you follow with that?

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