PETS4寫(xiě)作短語(yǔ)精選-Rule of 72

字號(hào):

Rule of 72
    a common formula used to determine the years needed for money to double at compound interest; divide 72 by the interest rate to get the number of years
    EXAMPLE:
    According to the rule of 72, $10,000 invested at 6 per cent interest doubles to $20,000 in twelve years.