Lilly’s age is three times Gray’s age and Gray is six years older than Irene. If the sum of their ages is 149, what is Lilly’s age? Gray’s age? Irene’s age?

-7/8

step-by-step explanation:

instead of subtracting you add the -6/8 and -1/8

in geometry, parallel lines are lines in a plane which do not meet; that is, two lines in a plane that do not intersect or touch each other at any point are said to be parallel. by extension, a line and a plane, or two planes, in three-dimensional euclidean space that do not share a point are said to be parallel.