[填空题]
Isabella and Charlotte both receives 80000 Australixt -zvif:iv hiz33:n6znefq+ jy47/xt h z,r,an dollars (AUD) on their 18th birthday to invest,fnz e/47rt+q y,hj zx for later in their life.
Isabella deposits her 80000 AUD in a bank account that pays a nominal annual interest rate of x %, compounded monthly.
1.The amount in a bank account after 6 years will be 100000 AUD. Find the nominal annual interest rate. Give your answer correct to two decimal places.
x≈ %
Charlotte uses her 80000 AUD to buy a house that increases in value at a rate of 3 % per year.
