I think you forgot to mention Susan's current age if not:
x+5
x-4
6x
Answer: The sum of the lengths of any two sides of a triangle must be greater than the length of the third side. Since, 11 + 21 > 16, 11 + 16 > 21, and 16 + 21 > 11, you can form a triangle with side lengths 11 mm, 21 mm, and 16 mm.
Step-by-step explanation:
Answer:
27
Step-by-step explanation:
54/2
27x2=54 and they said 2 times
Answer:
260 square yards
Step-by-step explanation:
(9+17/2)*20