A picture is 5 inches wide and 7 inches long. a photographer enlarges it so it is 17.5 inches wide and 24.5 inches long. what scale factor was used to enlarge the picture?

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Brian Johnson · Answer 1 · 2023-01-12T08:27:09+0000

Answer:

Explanation:

To get a larger image - you multiply the original dimensions.

To find the scale factor - divide each enlarged dimension by its matching original dimension.

17.5 divided by 5 = 3.5

24.5 divided by 7 = 3.5

This is the scale factor for the enlargement.

The answer options are fractions - 17.5/5 = 3.5

so that is the correct choice.