Question

The length of a wooden rod is 25.5 cm. What is this length in:(a) millimetres?(b) metres?​

Answer 1

Answer:

A. 255

B. 0.255

Explanation:

10mm = 1cm

100cm = 1m

<a href="https://en.wikiafripedia.org/wiki/Centimetre">Learn more</a>

https://en.wikiafripedia.org/wiki/Centimetre

Answer 2

Answer:

$(a)255mm \\ (b)0.255m$

Explanation:

$(a)1cm = 10mm \\ 25.5cm = x$

Cross multiply

$1x = 25.5 \times 10 \\ x = 255mm$

$(b)100cm = 1m \\ 25.5cm = x$

cross multiply

$100x = 25.5 \\ \frac{100x}{100} = \frac{25.5}{100} \\ x = 0.255m$

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