Question

Adenan makes a scale drawing of a rectangular flower box. The length is 5 in., and the width is 3 in. Adenan changes the scale of the drawing from 1 in. : 4 ft to 1 in. : 6 ft. Which statement about the dimensions of the flower box is true?
The length of the flower box under the new scale is 15 ft.
The length of the flower box under the old scale is 30 ft.
The width of the flower box under the old scale is 12 ft.
The width of the flower box under the new scale is 24 ft.

Answer 1

length is 5 in, width is 3 in

scale drawing was 1 in to 4 ft

so the old length was : 5 * 4 = 20 ft
and the old width was : 3 * 4 = 12 ft <===

she changed the scale drawing from 1 in to 6 ft

so the new length is : 5 * 6 = 30 ft
and the new width is : 3 * 6 = 18 ft

so ur answer is C

Answer 2

The old length and width are 20 ft and 12 ft, new length and width are 30 ft and 18 ft. Option c is correct.

There is a rectangle flower box of length 6 in and width of 3 in. Scale factor change from 1 in 4ft to 1 in 6 ft. New length and width to be determined and the correct option to be chosen.

What is the scale factor?

The scale factor is defined as the ratio of modified change in length to former length.

For scale factor 1 in = 4ft
Old Length  = 5 * 4 and Old width = 3 *4
Old  Length = 20 ft and Old width = 12 ft

For scale factor 1 in = 6ft
Old Length = 5*6  and New width  = 3 * 6
Old Length = 30 ft and New width  = 18 ft

Thus, the old length and width are 20 ft and 12 ft, new length and width are 30 ft and 18 ft. Option c is correct.

Learn more about Scale factors here:

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