emma3116 emma3116

03-07-2020
Mathematics

contestada

Maria's age is 20. Her father's age is 50. In how many years will Maria's father be twice as old as Maria will be?

Respuesta :

09pqr4sT 09pqr4sT

03-07-2020

Answer:

10 years

Step-by-step explanation:

Maria’s father is 50.

Maria is 20.

Let x be the number of years.

50 + x = 2(20 + x)

50 + x = 40 + 2x

50 - 40 = 2x - x

10 = x

Answer Link

Otras preguntas

The basic structural unit of the nervous system is the a. axon. b. neuron. c. red blood cell. d. white blood cell.

In the muscle cells in your body, ______ energy is changed into __________ energy.

An unknown substance turns blue litmus paper to red. Which additional test could be used to confirm the substance’s identity? It should turn phenolphthalein fro

OMG CAN SOMEBODY PLEASE HELP ME PLLLLLLLLLLLSSS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Graduate Management Aptitude Test (GMAT) scores are widely used

What is the Dao of Ancient China?

factor each expression 32+16x

Which body part belongs to the circulatory system?

what is the value of x if 120 degrees are diagonal and 6x horizontally

These types of building blocks are an energy source. a. fats b. water c. vitamins d. minerals

factor each expression 11x+55