Raghu wants to plough his 4 …

Raghu wants to plough his 4 hectares of agricultural land for transplantation of paddy. It needs ploughing three times for better production of crop. For a tractor, fixed hiring charge is Rs 300(for driver) and rates for ploughing per acre for the first round, second round and third round are given in the following table. [ 1 hectare = 2.5 acres approx.] Sl.No. Slab of areas Rate of first time ploughing Rate of second time ploughing Rate of third time ploughing 1. Up to 2 acres Rs. 2300/acre Rs. 1600/acre Rs. 1400/acre 2. More than 2 acres to 4 acres Rs. 2200/acre Rs. 1500/acre Rs. 1300/acre 3. Above 4 acres Rs. 2000/acre Rs. 1400/acre Rs. 1200/acre 6.1.How much amount does he need to pay to make the field ready for transplantation by ploughing thrice? 6.2.If area of the field is xhectare (where x > 2) and the amount to be paid is y, write a relation between x and y. 6.3. Why is the rate of ploughing the field for the third time the least in the slab? 6.4. If the rate of each phase of ploughing is Rs. 2000 per acre then which option will be cheaper for Raghu whether thisoption or the rates given in the slab?

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2x+5= 10