The number is 'n'.
Five times the number is 5n .
Nine more than that is 5n + 9 .
Can you please add a picture of the problem or type all the measurements and information?
Answer:
17/13
Step-by-step explanation:
Answer: AB=12
Los triangulos BCD y ADE son iguales por tener dos lados y el angulo comprendido respectivamente iguales. por tanto AE=DC=4
Luego AB = AE+EB = 4+8 = 12