angelacevessolis angelacevessolis

03-09-2019
Mathematics

contestada

in 20 years a child's age will be 7 years less than four times her current age. find the child's current age

Respuesta :

vaarun5 vaarun5

03-09-2019

X + 20 = 4X - 7
X = Current Age
3X = 27
X = 9
The child’s current age is 9 years old

Answer Link

Vividerla Vividerla

03-09-2019

Answer:

They are 9

Step-by-step explanation:

Their current age will be represented by x

x + 20 = 4x - 7

-20 -20

x = 4x - 27

-4x -4x

-3x = -27

—— ——

-3 -3

x = 9

Answer Link

Otras preguntas

HELP ME ITS URGENT!!!!!!

Is y=4x+6 a proportional relationship?

The numbers of the member in the House of Representatives awarded to each state is determined by- A.the size of the state B.the population of the state

Mr. Harris has 54.8 acres of land. Mr. Fitz has 0.35 times as many acres as Mr. Harris has. How many acres of land does Mr. Fitz have?

The table below represents a linear function f(x) and the equation represents a function g(x): g(x) = g(x) = 4x − 5 x f(x) −1 −6 0 −3 1 0 Part A: Write a

How to authors build suspense in stories?

Ms. Thorson bought a board that was 14 feet long. She cuts off as many pieces as possible that are 9 inches long. What is the length, in inches, of the board th

One angle is five degrees less than three times the degree measure of another angle. Together, the angles measures have a sum of 143°. What is the measure of ea

pls help!!!!!! Given the recent evidence suggesting that species change due to certain genetic variations, which of these is true? (4 points) Darwin's theory of

What did the Americas, including the Colonies, export in triangular trade?