The answer is 3.4, you need to subtract 1.6 from 5.
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!
Maybe try dividing by 300 and timesing by 1000?
Answer:

Step-by-step explanation:

Answer:
8 gallons
Step-by-step explanation:
3x4=12 (do the same to the opposite) 2x4=8 or 8 gallons of blue paint (to be more specific)