If the width of a rectangle is ^@ 44 \space cm ^@ long and the perimeter of the rectangle is ^@ 3.12 \space m, ^@ then the ratio of the width of the rectangle to its length is:
A frog has fallen into a ditch which is ^@ 15 \space meters ^@ deep. Each day the frog climbs ^@ 2 \space meters ^@ and then falls back by ^@ 1 \space meter ^@. In how many days will the frog reach the top?