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Schach [20]
3 years ago
14

A box has a square base of side 20cm and height 10cm. Calculate the percentage increase in the volume of the box after the lengt

h and width of the base are both increased by 20% and then height by 15%
Mathematics
2 answers:
Otrada [13]3 years ago
5 0

Answer:

Step-by-step explanatio

mrs_skeptik [129]3 years ago
4 0

Answer:

  • 65.6%

Step-by-step explanation:

<u>Volume of the box:</u>

  • V = lwh
  • 20*20*10 = 4000 cm³

<u>New volume:</u>

  • (20*1.2)*(20*1.2)*(10*1.15) = 4000 *(1.2*1.2*1.15) = 4000*1.656

1.656 times increase is equivalent of 65.6% increase

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