Step-by-step explanation:
let,the sum of the ages of chukwu & Caroline be X & Y.
now,
X+y=45
X-y=3
(+) (+) (-)
__________
2x=42
or,X=42/2
or,X=21
putting the value of X,
or, 21+y=45
or,y=45-21
or,y=24
therefore,X=21
y=24
Volume = length x width x height:
Volume = 3 x 6 x 2 = 36 cubic inches.
Answer:
-2.66666666667
or just
-2.67
The answer is x - 13y