gymnasaldumari gymnasaldumari

01-03-2017
Mathematics

contestada

Steve is 15 years older than his sister michelle. in 8 years, he will be twice as old as michelle. how old is each of them now

Respuesta :

Аноним Аноним

03-03-2017

Let, the Age of Michelle = x
Age of Steve = x + 15

After 8 years, (x + 15 + 8) = 2(x + 8)
x + 23 = 2x + 16
2x - x = 23 - 16
x = 7
So, x + 15 = 22

In short, Age of Michelle is 7 & Age of Steve is 22 Years

Hope this helps!

Answer Link

Otras preguntas

What are the 3 types of nationalist movements

Which element has both metallic and nonmetallic properties? (1) Rb (3) Si (2) Rn (4) Sr

List three important steps in the early development of life on Earth?

Which two characteristics are associated with metals? (1) low first ionization energy and low electronegativity (2) low first ionization energy and high electro

Name two new developments in the way Americans work.

An electron in a sodium atom moves from the third shell to the fourth shell. This change is a result of the atom (1) absorbing energy (3) gaining an electron (2

A specific amount of energy is emitted when excited electrons in an atom in a sample of an element return to the ground state.This emitted energy can be used to

to produce a beneficial version of a trait in an animal, what type of process is used?

that does 3/5 compromise mean

Which electron configuration represents the electrons of an atom in an excited state? (1) 2–8–1 (3) 2–8–17–6(2) 2–8–6 (4) 2–8–18–5