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

Every afternoon you walk by the school cafeteria and buy a can of pop from the vending machine. You know that pop is not good for you, but buying it is a tough
14 is what percent of 56?
Need help with these questions. Simplify them. Simplify. |–10 – 3| = Which set of numbers is ordered from least to greatest? A. {0.4, 2.3, –1.1, –2, –3.1}
Marks: 1 “The reason why we find ourselves in a position of impotency is not because our only powerful potential enemy has sent men to invade our shores, but r
How can the lassez-faire doctrine be described? a free market with heavy government involvement and regulation a command economy in which the government distrib
n 1939, British politician Winston Churchill uttered these words: "Between shame and war, we have chosen shame, and we will get war." To what was Churchill refe
powers that are actually stated in the constitution
a baseball diamond has an area of 3600 feet to the second power. what is the distance between each base? .
How do you use subtraction to find a missing addend in an addition problem?
what tool helps scientists to see atoms and molecules