Answer:
The scale factor should be 1:2 cause from 2.1 to 4.2 is doubled and so is 7.5 to 15 and 5.5 to 11.
Step-by-step explanation:
Hope this helps!
If your asking for the wrong absolute value of it it’s -8 but if you want the right one it’s 8 but I think the answer to your question is -8.
B....................................................................................
$ 2372.50 is the final amount that Rachel will have to pay.
