Question

A 30cm long ruler is broken into two parts, in the ratio 8:7 what will be the length of each part

Explain please ​

Answer 1

Step-by-step explanation:

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Answer 2

Given: The length of the ruler is $30$cm.

And the ruler is broken into two parts in the ratio$8:7$.

We have to find the length of each part of the broken ruler.

We are solving in the following way:

Since the ratio of $8:7$ gives $15$ parts,

So,

The length of the first part of the ruler is:

$=>\frac{8}{15} \times 30\\\\=>\frac{240}{15}$

Solving the above equation further we get,

$=>16cm.$

And the length of the second part of the ruler is:

$=>\frac{7}{15} \times 30\\\\=>\frac{210}{15}$

Solving the above equation further we get,

$=>14cm.$

Hence, the length of each part of the broken ruler will be $16$cm. and $14$cm.