A rectangle has an area of 48 cm². The length is three times the width.

Work out the length of the rectangle.
If you can, please answer ASAP with a working so I understand how to do it.

How do i multiply two digit numbers

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point