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OpenStudy (anonymous):
how do i solve 5 over 7 = x over 98?
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OpenStudy (saifoo.khan):
cross multiply.
OpenStudy (anonymous):
cross multiply 7x=490 x=70
OpenStudy (saifoo.khan):
98 x 5 = 7 x x
OpenStudy (anonymous):
7x = 490 ?
OpenStudy (saifoo.khan):
490/7
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OpenStudy (saifoo.khan):
x = 70
OpenStudy (anonymous):
I WAS FIRST
OpenStudy (saifoo.khan):
lol
OpenStudy (anonymous):
so x over 5 = 12 over 30 would be 60 = 30x then 60/30=2 = 30/30 =x... so x=2?
myininaya (myininaya):
yes
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