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SelinaSmartGirlWhoNeedsHelp1
Group Title
Which ratios form a proportion?
4/9,12/25
3/7, 18/42
5/11, 20/45
5/8, 15/25 PLEASE HELP. MY GRADE DEPENDS ON IT.
 one year ago
 one year ago
SelinaSmartGirlWhoNeedsHelp1 Group Title
Which ratios form a proportion? 4/9,12/25 3/7, 18/42 5/11, 20/45 5/8, 15/25 PLEASE HELP. MY GRADE DEPENDS ON IT.
 one year ago
 one year ago

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jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
4/9 = 12/25 4*25 = 9*12 ... cross multiply 100 = 108 ... which is false so 4/9 = 12/25 is not true and 4/9,12/25 don't form a proportion
 one year ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
do the same with the rest
 one year ago
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