An Object At $450^{\circ} \mathrm{F}$ Is Cooled in Air, Which Is At

Short Answer

An object at $450^{\circ} \mathrm{F}$ is cooled in air, which is at $75^{\circ} \mathrm{F}$ . If the object is $420^{\circ} \mathrm{F}$ after $6 \mathrm{~min}$ , find the temperature of the object after $45 \mathrm{~min}$ .