Gcse Grade C Exam Practice Worksheet With Answer Key - Alperton Community School Page 17

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SOLUTIONS
33. (a) 30
(b) 3 1
(c)
30.2
2 × 29 = 58
5 × 30 = 150
2 × 31 = 62
1 × 32 = 32
302
=
30
2 .
10
10< L ≤ 20
35.
(a)
(b)
16.95
(5 × 14) + (15 × 13) + (25 × 8) + (35 × 4) +
(45 × 2) = 70 + 195 + 200 + 140 + 90 = 695
695 ÷ 41 =
35 ≤ t < 40
43.
(a)
(b)
8 × 22.5
3 × 27.5
7 ×32.5
7 ×37.5
15 × 42.5
1390 ÷ 40
34.75
45.
(a)
6
8 9 7
7
8 5 9 6 3
8
1 3 1 7 1
9
0 1
6
7 8 9
7
3 5 6 8 9
8
1 1 1 3 7
9
0 1
(b)
(i)
Explanation
(ii)
79
60.
(20 × 5) + (32 × 15) + (14 × 25) + (9 × 35) + (5 × 45)
= 100 + 480 + 350 + 315 + 225
1470 ÷ 80 = 18.375
18.4
Alperton Community School Maths Department: GCSE Grade C Exam Practice
17

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