hdfysdjsfu1235 hdfysdjsfu1235

02-06-2018
Mathematics

contestada

One year ago liz was three times as old as her brother jack. in two years she'll be only twice as old as jack. how old are liz and jack now?

Respuesta :

a3541649783 a3541649783

02-06-2018

now she is x,one year ago,she is x-1,he is 1/3(x-1),in two years,she is x+2,he is 1/2(x+2)
we can get
1/3(x-1)+3=1/2(x+2)
x=10

Answer Link

Otras preguntas

Hugh bought some magazines that cost $3.95 each and some books that cost $8.95 each. He spent a total of $47.65. If Hugh bought 3 magazines, how many books did

ABCD is a parallelogram. Determine the length of AD.

pls answer the question, pls look at the question (YOU WILL BE WARNED IF YOU ANSWER INCORRECT)

1. Why did the governor of Bengal grow nervous about the trading post of Calcutta? 2. Outline the 3 stages The east India company took control of Bengal 3. Whe

please give examples of infinitive and explain please also differentiate between infinte and finite verbs

Which property justifies the following if angle A is congruent to angle B and angle b is congruent to angle C then angle a is congruent to angle c

As one of the grade 9 top performing students competing for the “Boy Scout of the Year” award, you are assigned by your scoutmaster to design a camping site for

Hi, can you help me with this probability question? I'd really appreciate some workings out too :) Thanks,

If sleep is good for the brain why isn't aloud in school ??

a market structure in which ther a single buyer