Alan is 5 years older than bob.
bob is twice as old as cindy.
all their ages add up to 20

Alan is 11.
Bob is 6.
Cindy is 3.
11+6+3=20
Hope this helps and please make mine the Brainliest answer.

Hi! mark me brainliest if i : )y = 0.213x – 352.0    represents this linear model shown in the data table.plug in the values of x into the equation for a double check.let's try 1980.y = 0.213(1980) – 352.0y = 69.74which is closest to the 70.1 whereas other options do not satisfy the condition.