Answer:
2x+16
Step-by-step explanation:
16 is your b( so to speak) in this expression so ? +16 (since 16 is a positive you add it) then it says double a number X so 2 times x equals 2x 2x+16 is your expression
:Basically it's just using any other random numbers for the ration. For example if the ratio given was 9:15 then it should just be the numbers 9 and 15. So a non example for a ratio for the example given would be 6:18