A pond is 7 metres in diameter surrounded by a path 2 metres wide. Concrete is 50millimetres deep.
Premixed bag - 1 cubic metre ( m3) requires 106 x 20kg bags.
How many 20 kg bags do I need

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer