piababyvillazor piababyvillazor

11-03-2020
Mathematics

contestada

Martha's father is 4 times as old as Martha. Five years ago he was seven times as old as her daughter. What are their present ages?

Respuesta :

daocongvinh200pazamp daocongvinh200pazamp

11-03-2020

Call Martha's age 5 years ago is x So Martha father's age five years ago is 7x
We have : 7x + 5 = 4(x + 5)
3x = 25+5=30 so x = 5 so Martha's present age is 10 and her's father's present age is 40
Brainliest?

Answer Link

RichRichard RichRichard

11-03-2020

Niceznjzkskakkaakakksskskskdk

Answer Link

Otras preguntas

solve by factoring. the square of a number decreased by 3 times the number is 54. find the quadratic equation and all possible values for the number.

Can someone PLEASE HELP me? How can you tell if a bond is Covalent?

You are driving 12 meters per second. What is your speed in miles per hour? (1.6km=1 mike) EXPLAIN

¿Cuál es el principal estilo de cocina en Puerto Rico? A. cocina molecular B. cocina fusión C. cocina fría D. cocina criolla

Help me please he has the high ground

PLEASE HELP!!!!!!!!!!!! Which number(s) below belong to the solution set of the inequality? Check all that apply. “5x>145” A. 55 B. 31 C. 10 D. 8 E. 11 F. 2

|x|=14[tex] |x| = 14[/tex]

Find the midpoint between the points A(-2,5) and B(4,-7)

How many ounces of iodine worth 30 cents an ounce must be mixed with 50 ounces of iodine worth 18 cents an ounce so that the mixture can be sold for 20 cents an

¿Cuál es el principal estilo de cocina en Puerto Rico? A. cocina molecular B. cocina fusión C. cocina fría D. cocina criolla