ka8330526
Answered

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rupees 4000 amount to ₹5000 in 8 eyears in what time will ₹2100 to 2800 at the same rate ?​

Sagot :

mhanifa

Answer:

  • 10 2/3 years or 10 years and 8 months

Step-by-step explanation:

Assumed it is a simple interest with rate r.

Find the rate:

  • 4000(1 + 8r) = 5000
  • 1 + 8r = 5000/4000
  • 8r = 1/4
  • r = 1/32

Find the time for the second amount:

  • 2100(1 + 1/32t) = 2800
  • 1 + 1/32t = 2800/2100
  • 1 + 1/32t = 1 1/3
  • 1/32t = 1/3
  • t = 32/3
  • t = 10 2/3
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