sophiaebrady sophiaebrady

18-09-2021
Mathematics

contestada

Kevin is 6 years older than Timothy. 4 years ago, Kevin was twice as old as Timothy. Find their present ages.
pls show how to do it.

Respuesta :

kathrynjerezp8mvft kathrynjerezp8mvft

18-09-2021

Answer:

Kevin is 16; Timothy is 10

Step-by-step explanation:

k= Kevin's age

t=Tim's age

k=t+6

k-4=2(t-4)

k-4=2t+8

(t+6)-4=2t-8 :substitution

t+2=2t-8

t=10

k=t+6

k=10+6

k=16

Answer Link

Otras preguntas

Factorise the following: a) x² - 12x + 32 b) x² - 14x + 48 c) x²-3x + 2

Which best describes the purpose of the words “meagre,” “scaffold,” “stern,” and “punishment of death”?

An antisocial personality disorder differs in many important ways from other psychological disorders and involves behaviors and characteristics most people woul

a number c is more than "-4 or" at most "-6" 1/2 write as an inequality

6. Li wrote the equation below to represent the graph shown. Explainer errors and correct . the equation y=1/2x-3

How does The Crucible act as a warning? Of/Against what?

Rectangle B'C'D'E' is the image of BCDE. Describe a sequence of transformations that maps BCDE onto Rectangle B'C'D'E'.

1. "Here I am a giant--surrounded by ants!

Hamlet: Thus conscience does make cowards of us all; And thus the native hue of resolution Is sicklied o’er with the pale cast of thought, And enterprises of gr

How did the french revolution and ensuing global struggle between great britain and france shape early american politics?.