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

Is about inequalities, I know the rule of flipping the sign if you multiply or divide by a negative numbers but a few examples confuse me. To make this inequali

What impact did the French Revolution and Napoleon have on Simon bolivar and Venezuela’s independence movement?

8. When does a cell stop going through the Cell Cycle?

An analogy makes a comparison between objects based on their similar qualities. Cassidy wanted to create an analogy for the motion of atoms in solids, liquids,

7 Lines 73 through 79 convey a central idea that the traveler (1) acknowledges his anger and frustration with the circumstances (2) regrets his decision to leav

As the number of rabbits in a community goes up the number foxes in the same community goes up this is an example of what type of relationship a direct be in di

What is 9/3 divided by 7

Imagine that one carbon in buckminsterfullerene (C60) is replaced by a silicon atom, yielding SiC59. This molecule can then orient in 60 different ways. What is

Doug’s average driving speed is 1 kilometers per hour faster than Thor’s. In the same length of time it takes Doug to drive 390 kilometers, Thor drives only 384

The term filibuster is Dutch and means silly pirate moron О talkative