& The annual assessed value of a building is Rs. 80000 The local authority charges 6% of the annual rates. Find the amount that should be paid as rates for a year.

, and

for

step-by-step explanation:

we can analyze the pattern at which the terms increase. let us denote , , , so that we can call

note the following:

the pattern: to get the next term value, we just add the next term number (e.g. 1st, 2nd, to the previous term value (term values are the given numbers in the question, 1, 3, 6, 10, 15,

from , to get to , we add

from , to get to , we add

etc.

we need to form a recursive formula, a formula that has the next term as a function of the previous term. so a possible recursive formula can be

, and for

b is the correct answer

abby has a greater debt becasue she owea 5 more then alan does

answer: i dont know but if you try hard you will get it right : )

step-by-step explanation: