salightblue salightblue

13-01-2019
Mathematics

contestada

A woman is 3 times as old as his daughter. After 9 years, the mother will be 2 times as old as the daughter. How old is mother now?
PLS HELP

Respuesta :

rdondero24 rdondero24

13-01-2019

So make the formulas...
w=3d; w+9=2d+9...
So for the relationship to be 3 times difference and 2 times difference plus nine years it means that 1 time is 9 years so the daughter starts as 9 years and the mom as 27 but after nine years the daughter is 18 years old and the mom is 36 years old

Answer Link

Otras preguntas

Complete the following proof related to the figure below. Given: A, B are rt 's AC = BD Prove: MC = MD Which of the following could not be used as the reason

what is the slope of the line that passes through the points ( 13, 1 ) and ( -2, 4 ) 5 -1/5 1/5 -5

Which of the following represents the range of { (0,-5), (-1,3), (1,2), (2,2), (3,-1), (-5,3) }? Question 13 options: {-5,-1,0,1,2,3} {-5,-1,2,3} {-1,0,3} {-5,-

what causes the formation of graded beds of sediment?

Which of these is the result of scientific research and not engineering

Which law required immigrants to be able to read and write

Josie graphed a like with the same slope as y=3x, but that intercepted the y-axis 6 units above y =3x. What is the equation of the line Josie graphed? A) y = 3x

Nikita Khrushchev was MOST known in the United States for his actions in which of these events? A) the Cold War B) Vietnam War C) World War II D) the Moon La

when the british began settling in south africa, where did many afrikaners move?

How many solutions are there to the equation below 18x+216=18(x+12)