What number increased by 20% of itself equals 18?

Find the value of 1715⋅211.though these numbers aren't quite as nice as the ones from the example or the previous part, the procedure is the same, so this is really no more difficult. give the numerator followed by the denominator, separated by a comma.

What describes horizontal cross section of the right rectangle 6m 8m 5m

Find the interior angle of a regular polygon which has 6 sides