David and Stacey are riding bicycles on a flat road at a constant rate. If Stacey is now three miles ahead of David, in

David and Stacey are riding bicycles on a flat road at a constant rate. If Stacey is now three miles ahead of David, in how many minutes will Stacey be just two miles ahead of David?

1) Stacey is traveling at rate of $10\,\text{ mph}$ and David is traveling at a rate of $12 \,\text{mph}$

2) $45$ minutes ago Stacey was $4.5$ miles ahead of David

The OA is D

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