hanhpt0903 hanhpt0903
  • 23-07-2021
  • Mathematics
contestada

5 năm trước tổng số tuổi của hai mẹ con là 55 tuổi. Hiện nay tuổi con bằng 4/9 lần tuổi mẹ. Tính số tuổi của mẹ và tuổi con hiện nay?

Relax

Respuesta :

deelight3 deelight3
  • 23-07-2021

Answer:

12

Step-by-step explanation:

12

Answer Link

Otras preguntas

2m² m= 1.5 help pls. ​
Find the mean of the data. Amanada 1 eve 5 joseph 4 Micheal 2 The mean is _ brothers and sisters.
What is the definition, characteristics, synonyms, antonyms of crisis?
A magnitude 7 earthquake has an amplitude blank______ times greater than a magnitude 4 earthquake. a.30 b.300 c.1,000 d.10,000
Why did herbert hoover support income tax cuts, federal jobs programs, and aid to farmers early in his administration?
The mean output of a certain type of amplifier is 129 watts with a standard deviation of 11 watts. If 70 amplifiers are sampled, what is the probability that th
common applications of computers and information systems
How many times would the polling loop have run after 7 seconds?
ty for help... ty ty ty ty
How many orbeez can fit into a 7up liter bottle