Question

The blueprint for Zahra’s new office measures `4` cm long and `2` cm wide.The scale for the blueprint is `6` cm to `15` ft.Zahra wants to put a couch in her office that is `3` feet wide.How wide would the couch be if it were drawn on the blueprint?

Answer 1

The dimensions on blue print and the actual dimensions are in proportions.

So, the couch is $1.2$ cm wide on the blueprint.

The blueprint for Zahra’s new office measures $4$ cm long and $2$ cm wide.

The scale for the blueprint is $6$ cm to $15$ ft.

Width of couch $= 3$ feet

The dimensions on blue print and the actual dimensions are in proportions.

$6$ cm $: 15$ feet

$1$ foot $= \frac{6}{15}$ cm

$3$ feet $= \frac{6}{15} \times 3$ cm

$3$ feet $= 1.2$ cm.

Learn more about proportion here:

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