Question

how to solve the problem given below?

Answer 1

did u try to solve it

Answer 2

i do not know how to start it .
can you give me hint?

Answer 3

I am really sorry but i am an engineering student

Answer 4

its ok.i thought engineers are good at maths!

Answer 5

But this is Accounting :D

Answer 6

or Rather i would say its Business Maths :)

Answer 7

I think they are forming AP.

Answer 8

@waterineyes yeah it if from exercise on the Arithmetic Sequence.can you help me?

Answer 9

First term is 5000..

Common difference is 1125..

So:

Here n= 25 here:

So find last term first..

Answer 10

\[t_{25} = 5000 + (25-1)(1125)\]

Can you find this??

Answer 11

yes
32000

Answer 12

\[t_{25} = 32000\]

Answer 13

Now use sum formula:

\[\large Sum = \frac{n}{2}( First + Last)\]

Answer 14

Here n = 25 First = 5000 and Last = 32000

Are you getting your answer??

Answer 15

i am getting from the above 462500, but i do not have answer it is an even question and book does not provide answers for even no.

Answer 16

In my opinion this should be the answer..

Answer 17

ok thanks for your help :)

Answer 18

Welcome dear..