a box shaped biscuits contain 15 squares, 17 triangles, 6 rectangles, 4 diamonds and 8 hexagons. If a biscuit is chosen at random, what is the probability of choosing a square one (give your answer as a fraction in simplest form

Respuesta :

Add the numbers up to get the total number of biscuits, which will be 50. Then, make a fraction using the squares, which will be 15/50. Simplify by 5. The answer will be 3/10. 
I hope this helped!