jakeybearguy jakeybearguy
  • 19-07-2021
  • Mathematics
contestada

Martha and Dave have 99$. Martha has 3 more than seven times as much money as Dave. How much does each person have?

Respuesta :

JoyMark
JoyMark JoyMark
  • 19-07-2021

Answer:

x = 12 m = 87

Step-by-step explanation:

x = Dave

(7x + 3) + x = 99

8x + 3 = 99

      -3     -3

8x = 96

----    ----

8       8

  x = 12

7(12) + 3

84 + 3

   87

Dave has 12 dollars, Martha has 87.

Answer Link

Otras preguntas

Justices on the Supreme, and Federal Courts serve for who?​
What are the three types of protist and how are they similar and how are they different (this is science but there is no tab for it)
What translation is made from f(x) → -f(x)?
Which word describes a sentence in an essay that states the writer’s opinion? conclusion claim reason example
PLZZZ HELPP IM FAILLING Amendments 13th, 14th and 15th are known as O The Bill of Rights O The Equal Law Amendments O The Civil War Amendments O None of the ab
Which excerpt from The Great Gatsby best indicates that Nick is not fully content with his life? He didn’t say any more, but we’ve always been unusually communi
what is 7/9 of 1 1/14​
es On any given day, the probability that Fred will buy go on a run is. and the probability that Maurice will go on a rlon is.7. If the probability that both bo
Hey y'all! you have read/watched the movie Stragirl, can you help me with this two questions?
Kudzu vines grow by climbing and wrapping around trees. Trees covered by kudzu can die because they are starved of sunlight.What type of relationship exists bet