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Math·Algebra·Linear equations in two variables

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Line $j$ is defined by $3x+4y=16$. Line $k$ is parallel to line $j$ in the xy-plane. An equation of line $k$ is $24x+ry=24$, where $r$ is a constant. If line $k$ passes through the point $(0,b)$, what is the value of $b$?

1

0.75

2

.75

3

3/4