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Mathematics 12 Online
OpenStudy (anonymous):

simplify the ratio. 40:28

OpenStudy (hoblos):

= 10:7

Directrix (directrix):

(4*10) / (4*7) = 10/7 or 10:7

OpenStudy (anonymous):

(1) find the greatest common divisor of the numbers, (2) then, divide it to the numbers

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