Current Attempt in Progress

Your answer is partially correct.

The penny$-$farthing is a bicycle that was popular between $1870$ and $1890.$ As the figure shows, this type of bicycle has a large front wheel and a small rear wheel. On a Sunday ride in the park the front wheel $($radius $=1\mathrm{.}09m)$ makes $679$ revolutions. How many revolutions does the rear wheel $($radius $=0\mathrm{.}279$ m $)$ make?