handsomeguy48 handsomeguy48
  • 23-03-2021
  • Mathematics
contestada

SYSTEM OF EQUATIONS

The sum of three times Sophia's age and twice Nick's age is 73. Twice Sophia's age plus four times Nick's age is 86. How old is Sophia?

Respuesta :

satashinakumoto satashinakumoto
  • 23-03-2021
3s+2n=73
2s+4n=86


Multiply top equation by 2 and then subtract second equation

4s=60
Sophia is 15
Nick is 14

Answer Link

Otras preguntas

Someone who enjoys working with numbers and words, facts, and data would have an interest in _____. a. crafts b. the arts c. science d. office operationsList th
solve each equation for the variable
Which characteristic of Life do each of these demonstrate? 1. a tadpole turning into a frog. 2. Two dogs mating and producing puppies 3. sweating when too hot 4
Name the class associated with he subject matter.
Carl collects coins compulsively, but he only likes quarters ($0.25) and dimes ($0.10). Carl currently has 125 coins for a total of $26.00. How many of each coi
Triangle DEF has vertices D(-4,3), E(1,2), and F(-3,3); 180 degrees​
can some one plz help
Which of the following countries is a dictatorship as of 2019 The United States Germany North Korea
Which fraction is equivalent to 38%
In the two-dimensional body illustrated the gradient at surface a is found to be