Mathematics, 18.06.2021 17:50 aracely11140
3. A drinking straw of length 21 cm is cut into 3 pieces. The length of the first piece is x cm.
The second piece is 3 cm shorter than the first piece. The third piece is twice as long as the
first piece
State, in terms of x, the length of EACH of the pieces.
(2 marks)
(ii)
Write a simplified expression, in terms of x, to represent the sum of the lengths of
the three pieces of drinking straw.
(2 marks)
(iii)
Hence, calculate the lengths for the 3 pieces of straw
(4marks)
Answers: 2
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3. A drinking straw of length 21 cm is cut into 3 pieces. The length of the first piece is x cm.
Th...
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