MATHEMATICS PROBLEM SOLVER

It is a site for parents, students and teachers. This site can help O-LEVEL or GCSE secondary school students in mastering mathematics subject. It intends to involve the learners by making them follow up the examples before they can do questions on their own at the TRY THIS.... section. There are some videos, tests, quizzes and past examination questions. Learning the examples will ultimately give students the required confidence in solving various questions in mathematics.

Wednesday 31 December 2014

SIMPLE INTEREST 4

Rayan deposited the amount of 8,000/= in a bank for 5 years and got a profit of 2000/=. Find the interest rate?

Solution

I = 2000/=, P = 8,000/=, T = 5 years, R = ?

I = PRT

100

2000 = 8,000 x R x 5

100

2000 = 8,000 x R x 5

100

2000 = 80 x R x 5

2000 = 400R

⁵~~2000~~ = ~~400~~R

~~400~~ ~~400~~

Hence the interest rate was Tsh 5%

TRY THIS……………….

Kibonde deposited the amount of 12,000/= in a bank for 4 years and got a profit of 3000/=. Find the interest rate?

MATHEMATICS PROBLEM SOLVER

Wednesday 31 December 2014

SIMPLE INTEREST 4

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