Test Index

JAMB Mathematics 2018 Paper

Question : 35

Total: 62

Express 495g as a percentage of 16.5kg

Solution:

Concept:

Express quantities in the same unit before finding the percentage.

Explanation:

First, convert

495\text{g}

to kilograms by dividing by

1000

495\text{g} = \dfrac{495}{1000}\text{kg} = 0.495\text{kg}

Now find what fraction

0.495\text{kg}

is of

16.5\text{kg}

\dfrac{0.495}{16.5} = 0.03

Multiply by

100

to express as a percentage.

0.03 \times 100 = 3\%

Answer:

3\%

Go to Question:

Prev Question

Next Question