Test Index

BECE Mathematics 2019 Paper

Question : 37

Total: 40

Solution:

Where S.I = Simple Interest

\;P=\;\text{Principal amount (Amount invested or loan taken/Initial value)}\;

\;R=\;\text{Rate}\;

\;T=\;\text{Time (years)}\;

You can memorize all the formula or memorize only the main one and learn how to make the rest the subject

\;R=\frac{(S . I \times 100)}{(P \times T)}

\;S . I=45

\;P=450

\;T=4

\;\Rightarrow R=\frac{45 \times 100}{450 \times 4}=\frac{5}{2}=2.5\%

NOTE: 45 goes into 450, 10 times and 10 goes into 100, 10 times and 2 goes into 10, 5 times and 4, 2 times.

Then divide 5 by 2

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