Math word problem?
A diamond ring increases in value by 12% per year. In how many years, months and days will it be worth
four times its original amount?
- fcas80Lv 72 months ago
1.12^t = 4
LN1.12^t = LN4
t = LN4/LN1.12 = 12.23 years.
.23 years * 12months/year = 2.76 months. The 2 months is February
.76 months *28 days/month = 21.28 days
- Anonymous2 months ago