damirtukaev5 damirtukaev5
  • 12-04-2021
  • Mathematics
contestada

Larry is 4 times as old as his niece. Four years ago he was 6 times as old
as his niece was then. Find each of their ages now

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 12-04-2021

9514 1404 393

Answer:

  • Larry: 40
  • niece: 10

Step-by-step explanation:

Let n represent the current age of the niece. Then 4n is Larry's current age. 4 years ago, the relationship was ...

  6(n -4) = 4n -4

  6n -24 = 4n -4

  2n = 20

  n = 10

Larry is 40; his niece is 10.

Answer Link

Otras preguntas

Which terms are used to identify pure substances?an element and a mixturean element and a compounda solution and a mixturea solution and a compound?
According to "the philosophy of composition," why did poe choose "nevermore" as the refrain in "the raven"? a.because of the sounds of the o and the r b.because
How do you say "I like to travel" in Korean?
The _____ tags must be at the start and end of an ordered list.
Explain the effects of nh3 and hcl on the cuso4 solution in terms of
What was President Johnson's main purpose for giving his speech "The American Promise"? A. to explain the rights and promises that the United States Constituti
A survey showed that 9 of every 25 students liked dogs while 13 of every 20 students liked cats. How many more of the students like cats than dogs?
A coat costs $15 more than a dress. Two coats and 4 dresses cost $150. Find the cost of each.
what group of rulers attempted to reform their political, legal, and economic system
What is the best book on the history of mathematics?