4b=a then plus 10 to see if the age holds true to 3b=a in ten years. Then since the question is how old is she today? You must either add 6 to young age (of20) or minus 4 from the older (of 30).
So Betty would be 26 today.
Answer:
4/11 is already simplified as much as it can be in fraction form. as a percent its 36.3636%
Step-by-step explanation:
Answer: 209
Step-by-step explanation:
X+6 less than or equal to 10
X+14 greater than or equal to 18
