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An amount of money was invested for 8 years. It earned compound interest at 2.5% per year. After 8 years the total value of the investment was £11,696.67. Work out the total interest earned.

I would make sure the student new the difference between simple and compound interest to begin with. I would then explain the formula for compound interest and how it works normally. The formula is p(1+m)...

LJ
Answered by Laura J. Maths tutor
9857 Views

How to factorise the expression x^2 + 8x + 15

We need to get the quadratic expression into the form (x + a)(x + b). If we expand this expression using FOIL, we see that the resulting expression is x2 + (a+b)x + ab. We can now find a and b ...

CS
Answered by Charlotte S. Maths tutor
4585 Views

How do I calculate negative powers?

The power of a number indicates how many times that number must be multiplied by itself. If the power is a negative, this means that the number (or the base) is a fraction, with the base as a denominator....

MN
Answered by Molly N. Maths tutor
11340 Views

When tackling a piece of unseen poetry , where do I start?

Facing any piece of literature that you aren't familiar with, and being expected to analyse is daunting. But if you approach it calmly, I find it is quite doable. It sounds obvious, but first, make sure t...

FD
Answered by Francesca D. English tutor
2325 Views

Briefly describe the structure and function of the respiratory system

Structure: The respiratory system starts at the mouth and nose with the pharynx, and continues as the trachea - this is covered with the epiglottis that prevents food and other material entering the lower...

JD
Answered by Joe D. Biology tutor
8477 Views

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