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Mathematics 8 Online
OpenStudy (anonymous):

HElp! http://www.clipular.com/c?6132170=HCnWrDSl0hioF3WS0bNWw-w-AEk&f=.png I thought C. but i was wrong

jimthompson5910 (jim_thompson5910):

my recommendation is to convert each fraction answer choice to a decimal number

jimthompson5910 (jim_thompson5910):

that way you can compare

OpenStudy (jhannybean):

so you have 0.85 which is \[\frac{ 17 }{ 20 }\] and sowhen you compute \[\frac{ 4 }{ 5 }\] you get 0.80

jimthompson5910 (jim_thompson5910):

using a calculator, 22/25 = 0.88 since 0.85 < 0.88, this is why C is wrong

OpenStudy (anonymous):

I meant "D" ehehe

OpenStudy (jhannybean):

lol

OpenStudy (anonymous):

wait a minute ... D is correct? im so confused!!?!

jimthompson5910 (jim_thompson5910):

4/5 = what in decimal form?

OpenStudy (anonymous):

0.80?

jimthompson5910 (jim_thompson5910):

is 0.80 less than 0.85 ?

OpenStudy (anonymous):

.. Yes?

OpenStudy (anonymous):

lol

jimthompson5910 (jim_thompson5910):

so 4/5 is less than 0.85 making D to be correct

OpenStudy (anonymous):

Thanks For clearing that for me xD I was Pretty Confused ther :)

jimthompson5910 (jim_thompson5910):

np

OpenStudy (anonymous):

Ask yourself "what number do I have to multiply the donominator by so it gives 100." 100 then multiply that numerator by that same number. Its the numerator that gives the answer 4/ 5 X 20 = 80/100 then multiply that denominator by that's a number so itd D

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