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Mathematics 9 Online
OpenStudy (waheguru):

how do i solve this i don't get it ? i posted the question

OpenStudy (waheguru):

OpenStudy (amistre64):

at which speeds do we have the same ratios?

OpenStudy (waheguru):

i dont no

OpenStudy (amistre64):

when does: s:b = 9:5 , you have to equate them

OpenStudy (waheguru):

dont give me the answer show me how to solve it

OpenStudy (amistre64):

\[\frac{s}{b}=\frac{9}{5}\] when 5s = 9b

OpenStudy (waheguru):

i still dont get it?

OpenStudy (amistre64):

ratios are fractions right?

OpenStudy (waheguru):

yes

OpenStudy (amistre64):

does 1/2 = 8/16 then?

OpenStudy (waheguru):

yea

OpenStudy (amistre64):

then we know that 16(1) = 8(2) since their ratios match

OpenStudy (waheguru):

yes

OpenStudy (amistre64):

you have to trial and error this till you find a match of: \[\frac{stop}{brake}=\frac{9}{5}\] stop(5) = brake(9)

OpenStudy (waheguru):

it should be 16(2)=8(1)

OpenStudy (waheguru):

ooh so i divde

OpenStudy (amistre64):

16(2) = 8(1) ?? 32 = 8 ??

OpenStudy (waheguru):

no isnt 8 one and 32 four cuz 32 is 4 times 8

OpenStudy (amistre64):

no ... that was an example to try to show you how rations work like fractions

OpenStudy (waheguru):

oh ok i think i get it now

OpenStudy (waheguru):

i got it thx

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