faustinabaiden810 faustinabaiden810

04-07-2020
Mathematics

contestada

Eric's age is 8 and her mother is 42.In how many years time will the mother be 3 times as old as her son

Respuesta :

04-07-2020

Answer:

9 years

Step-by-step explanation:

Let's call the amount of years x. We can write

42 + x = 3(8 + x)

42 + x = 24 + 3x

2x = 18

x = 9

Answer Link

Otras preguntas

How to write third person and describe please give me Ideas thank you

In what month do we vote for President?

The excitation of an electron on the surface of a photocell required 5.0 x 10 –27 J of energy. Calculate the wavelength of light that was needed to excite the e

Which statement describes one acid-base theory? (1) An acid is an H+ acceptor, and a base is an H+ donor. (2) An acid is an H+ donor,. and a base is an H+ accep

When an excited electron in an atom moves to the ground state, the electron (1) absorbs energy as it moves to a higher energy state (2) absorbs energy as it mov

What is one right or freedom from the First Amendment?*

Which ion has the smallest radius? (1) O2- (2) S2- (3) Se2- (4) Te2-

HOW WOULD YOU BE ABLE TO IDENTIFY streptococci THROUGH A MICROSCOPE

A staple is made from 40mm of wire. How many staples can be made from 10meters of wire?

When an excited electron in an atom moves to the ground state, the electron (1) absorbs energy as it moves to a higher energy state (2) absorbs energy as it mov