Respuesta :

Answer:

5 1/4 feet tall

Step-by-step explanation:

the mother is 1 3/4 times taller than her son. since her son is 3 feet, which just have to multiply 1 3/4 with 3

1 3/4 * 3

=> 7/4 * 3ft = 21/4 = 5 1/4ft

Answer:

Step-by-step explanation: