Saved Bookmarks
| 1. |
s. A conference hall is 14 m long, 8 m wide and 4 m high. There are four windows and onedoor in it. The door measures 1 m by 2 m and each window measures I m by 1.5 m.(a) How many litres are needed to paint all the walls of the hall if one litre is enough forcovering 18 m2(b) What will be the cost of painting the hall if I litre costs 225Calculate the nerimator |
|
Answer» Assurface area of walls is 2h(l+b) or 2*4(14+8) or 8*22=176area of windows = 4(1*1.5) or 6area of door =1*2 or 26+2=8(176-8)18=168/18 or 28/3 or 9 and 1/3 litres |
|