pawandhillonn07 pawandhillonn07
  • 03-05-2020
  • Mathematics
contestada

Ram is twice as old as his sister. Four years hence the product of their ages will be 160. Find their present ages in euation

Respuesta :

Аноним Аноним
  • 03-05-2020

Answer:

sister= 6, ram = 12

Step-by-step explanation:

let, current age of sister= x

current age of ram= 2x

4 years hence,

(x+4)(2x+4)= 160

2x^2 + 12x - 144 = 0...solve for x

Answer Link

Otras preguntas

All of the following are true of models EXCEPT: a. models have the ability to communicate c. models have the ability to correctly predict all outcomes b. model
How many syllables are there in the three lines of a haiku?
If an animal has a set of organs held together and protected by surrounding fluid, the animal is a _____. acoelomate pseudocoelomate coelomate
How do governments keep order in a society?
Which scale of measurement measures the magnitude or strength of an earthquake based on seismic waves? Mercali Richter Moment Magnitude Focus
Hopkins's use of "seared," "bleared," and "smeared" is an example of A. assonance. B. simile. C. alliteration. D. metaphor.
please help also show working out!
He "Statute of Workers" was a measure to _____. grant rights to workers fix wages and prices create unions create welfare
Mollusks' group of organs is called a _____.
In what city did the Continental Congress meet? a. Boston b. Philadelphia c. New York City d. Washington d. C.