3.2.2. 7*+3 = 49
3.2.3.
2* =
(2)
Question 4
4.1 The time it took different combinations of water pumps to empty a dam are tabulated bele
400 do
Number of pumps
20 (105
Со)
Time in hours
2
8
4.1.1
a ?
Calculate the time that it would take 16 water pumps to pump the dam empty.
4.1.2
4.2
If 4,5 kg sugar cost R36, what will 2,5 kg of sugar cost?
4.5kg
Cost 36​