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Two types of boxes containing a brand if biscuit are to be packed vertically upwards by a glass wall, One is 20cm and the other 45cm. if the different types are to be parked close to each other at what height will will their tops be at the same level.​

Sagot :

Sqdancefanidn

Answer:

  180 cm

Step-by-step explanation:

You want the least common multiple of 20 cm and 45 cm.

GCF

The greatest common factor of 20 and 45 is 5:

  20 = 4·5

  45 = 9·5

LCM

The least common multiple of 20 and 45 is ...

  LCM = 20 · 45 / GCF

  LCM = 20 · 45 / 5 = 180

The stacks of boxes will be the same height when both stacks are 180 cm. There will be 9 boxes in the 20 cm stack, and 4 boxes in the 45 cm stack.

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