madams4222 madams4222

03-08-2020
Mathematics

contestada

4. (a) Two years ago a woman was 7 times as old as her daughter, but in 3 years time
she would be only 4
times as old as the girl. How old are they now?

Respuesta :

valerieulbrich valerieulbrich

03-08-2020

Answer:

woman is 37, girl is 7

Step-by-step explanation:

7(x-2) = y-2

4(x+3) = y+3

7x - 14 = y - 2

7x - 12 = y

4x + 9 = y

3x - 21 = 0

x = 7

y = 37

Answer Link

Otras preguntas

Why would the French be more interested in the northern areas of America?

Which statement best describes how Masefield creates an urgent mood in the excerpt?

Which of the following is the most likely outcome of the interaction between the Nazca Plate and the South American Plate? The Nazca Plate will slide under the

Write the formula for the volume of a square prism, V = 1/3 * s ^ 2 * h in terms of h. Then find the height h of a square prism with volume V = 60 cm ^ 3 side l

nvm i dont have a question

What religion did British empire-builders tryto convert local people to?

In 4/4 time two eight notes are equal to:

help #i like trains !!!!!!!!!!!!!!!

pls help! will give brainliest:)) Which of the following are two duties of citizens? a. serving in the military and traveling to other countries b. spying for t

simplify 4 + y + (-2)