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Answer:
If the scale factor is increased in 2.5, the increased width will be:
- <u>22.5 cm</u>
Step-by-step explanation:
Remember that an oblong is longer than it is wide, by this reason, the ratio of 4:3 could mean, if we give a number, by each 4 cm in the length, there is 3 cm in the width, in this form, if the oblong has a length of 12 cm, the width is:
- 4 cm ⇒ 3 cm
- 12 cm ⇒ x
So:
Then, the original width is 9 cm, as the scale factor must be increased 2.5, we can multiply the found width to obtain the increased width:
- Increased width = 9 cm * 2.5
- <u>Increased width = 22.5 cm</u>
As you can see, <u><em>the increased widt will be 22.5 cm</em></u>.