Block 1 is 24mm long. Block 2 is 32mm long. Vignesh joins some type 1 blocks together to make a straight row. He then joins some type 2 blocks together to make a straight row of the same length. (a) Write down the shortest possible length of this row.
96mm (a) Express 24 and 32 as prime numbers (explained in interview)(b) Use this to find the LCM (lowest common multiple) (c) Don't forget units!
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