# Proportional Relationships Question

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[math]18/90 = 1/r[/math]

- [math]r=9[/math]
- [math]r=5[/math]
- [math]r=90[/math]
- [math]r=18[/math]

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Type: *Multiple-Choice*

Category: *Proportional Relationships*

Level: *Grade 7*

Score: *1*

Author: *SheilaH*

Last Modified: *a year ago*

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Solve for [math]r[/math].

[math]18/90 = 1/r[/math]

[math]18/90 = 1/r[/math]

- [math]r=9[/math]
- [math]r=5[/math]
- [math]r=90[/math]
- [math]r=18[/math]

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