original: 10 by 5. scaled copy: ? by 15. find the missing side length, in units, in the scaled copy. \n|…

original: 10 by 5. scaled copy: ? by 15. find the missing side length, in units, in the scaled copy. \n| original | scaled copy |\n| :--- | :--- |\n| 5 | 15 |\n| 10 | |
Answer
Explanation:
Step1: Identify the scale factor
Divide the scaled height by the original height. $$k = \frac{15}{5} = 3$$
Step2: Calculate the missing length
Multiply the original length by the scale factor. $$x = 10 \times 3 = 30$$
Answer:
30