Mathematics · Oct / Nov 2020 · Paper 41 · Question 9
0580
As printed in the paper
Show the answer and mark scheme
9(a)(i)[2]
5 9 6 12 G S [2]
B1 for two correct values Or B1 5 outside and total in G = 15 and total in S = 18
9(a)(ii)[1]
3 8 oe [1]
FT their 12 32
9(a)(iii)[1]
2 5 oe [1]
FT their 6 15
9(b)[2]
96 [2]
M1 for 36 54 54 64 = x oe or 36 = × 100 ( ) 54 + b oe If 0 scored
SC1 for answer 150
9(c)(i)[2]
9 25 oe [2]
M1 for 15 15 × oe 25 25
9(c)(ii)[1]
16 25 oe [1]
FT 1 – their (c)(i)
9(d)[3]
17 20 oe [3]
M2 for 10 9 1 − × oe 25 24 or for 15 14 + 15 8 + 15 2 + 8 15 × × × × 25 24 25 24 25 24 25 24 + 2 15 × oe 25 24
or M1 for one correct relevant product
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