Working Answer Mark AO Notes Grade Question 1 79 298 78 987 = 311 kWh used. M1 2 M1 for subtracting the given readings to find the B – amount of electricity used 80 kWh × 20.95 pence = 1676 pence B1 B1 multiplying 80 by 20.95 or for writing down £16.76 = £16.76 311 80 = 231 B1 B1 for subtracting 80 from 311 and then finding the cost – 231 × 10.80 pence = 2494.80 pence of the remainder used by multiplying by 10.80 or for = £24.948 writing down £24.948 Total bill = £16.76 + £24.948 = £41. 708 £41.71 B1 B1 for adding the two amounts found together or writing down £41.708 A1 A1 for converting to pounds correctly Assumption that if you average Yes C1 C1 for assumption made such as that given or showing consumption over the year April will be that the standing order is higher than the cost of representative. electricity used in April oe assumptions stated 6
Question Working Answer Mark AO Notes Grade 1 79 298 – 78 987 = 311 kWh used. 80 kWh × 20.95 pence = 1676 pence = £16.76 311 – 80 = 231 231 × 10.80 pence = 2494.80 pence = £24.948 Total bill = £16.76 + £24.948 = £41. 708 Assumption that if you average consumption over the year April will be representative. £41.71 Yes M1 B1 B1 B1 A1 C1 2 M1 for subtracting the given readings to find the amount of electricity used B1 multiplying 80 by 20.95 or for writing down £16.76 B1 for subtracting 80 from 311 and then finding the cost of the remainder used by multiplying by 10.80 or for writing down £24.948 B1 for adding the two amounts found together or writing down £41.708 A1 for converting to pounds correctly C1 for assumption made such as that given or showing that the standing order is higher than the cost of electricity used in April oe assumptions stated B 6
Higher_Skills_Number_MarkScheme_Edexcel.docx