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Q14: Question – Paper 1 – June 2018
Q14: Question – Paper 1 – June 2018
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14)
Patterns are made using straight lines and arcs.
a)
14)
Patterns are made using straight lines and arcs.
a)
More rows are added to Pattern B so that
number of straight lines : number of arcs = 10 : 9
How many rows are added?
[2 marks]
b) A different pattern is made using 20 straight lines and 16 arcs.
The straight lines and arcs are made from metal.
- 20 straight lines cost £12
- cost of one straight line : cost of one arc = 2 : 3
Work out the total cost of the metal in the pattern.
[3 marks]