In a field, dry fodder for the cattle is heaped in a conical shape. The height of the cone is 2.1 m and
diameter of base is 7.2 m. Find the volume of the
fodder. If it is to be covered by polythene in the
rainy season, then how much minimum polythene
22
sheet is needed ? (π and 17.37 = 4.17)
7
T =

Acaterer charges $500 plus $30 per guest to cater a wedding. walt and traci don't want to spend more than $8000 on catering. write and solve an inequality in terms of the number of guests, g, that can be invited. a) 30g ? 8000; g ? 267 b) 500g < 8000; g < 16 c) 500 + 30g < 8000; g < 250 d) 500 + 30g ? 8000; g ? 250