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Mathematics 19 Online
OpenStudy (anonymous):

NEED HELP PLEASE If x varies directly with y and x = 3.5 when y = 14, find x when y = 18.

OpenStudy (gorv):

it means x is proportional to y y=kx where k is constant

OpenStudy (gorv):

put y=14 and x=3.5 and first find K

OpenStudy (anonymous):

so k=4?

OpenStudy (anonymous):

@gorv

OpenStudy (gorv):

yeah so y=4*x

OpenStudy (gorv):

y=18 is given so can u find x from here ?? plug in the values in y=4*x

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