Brian invests £1900 into a savings account. The bank gives 3.5% compound interest for the first 2 years and 4.9% thereafter. How much will Brian have after 6 years to the nearest pound?

there would only be 50 odd numbers between 1 and 100 so therefor there would be 50 even so that would only be 50 odd numbers.

actually what is a question i don't understand

answer: $53750

steps:

list the principal and interest after the n-th year:

n       principal   simple interest

1     12500     375

2     25000     750

3     37500     1125

4     50000     1500

sum: $50000     $3750

total at end of year 4: $53750