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

Your friend has applied to several medical schools. after receiving several rejection letters, she concludes that she is never going to amount to anything in li

A tunnel is in the shape of a parabola. The maximum height is 16 m and it is 16 m wide at the base, as shown below. A parabola opening down with vertex at the

The best time of day to exercise is

PLZ HELP! Need this QUICK! Thx so much! ( Instead of the three dots, write a digit to make the fraction reducible. (Find all possible cases.) 3/49... P.S. It's

The terms of surrender general grant offered to general lee were designed to

how does mother teresa continue to contribute to the world, even after her death?

Mona is skating at a speed of 300 feet per minute. Lina is 1000 feet behind her. What should be her speed if she wants to catch up with Mona in 10 minutes?

______ vision is the vision that identifies specific objects.

a blank is an electric circuit that produces a magnetic field. whats the blank?

Imagine that you are a study habit expert. Your class has a test and one of your classmates comes to you with a problem. Her family has noisy houseguests visiti