Oblicz pole prostokąta o obwodzie l, jeśli stosunek długości jego boków jest równy k.
l=44cm, k=4: 7

Problem fathi wants to print out a pdf document that is 48 pages long. to save paper, he decides to print on both sides of each sheet and to print two pages on each side of the sheet. how many sheets of paper will he need?

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

Find the area of the triangle shown 3 by 6