jalenyork1979 jalenyork1979
  • 01-05-2018
  • Mathematics
contestada

Marcia has $84 less than three times as much as sue. together they have $132. how much money does marcia have?

Respuesta :

briittanypaiige briittanypaiige
  • 01-05-2018
let x = sue
and then let 3x-84 = marcia
therefore
(x)+(3x-84)=132
4x-84=132
4x=216
x=54

however just solving for x doesnt completely solve. it only shows sues money because x = sue
for marcia
3x-84
3(54)-84
162-84
78

therefore Marcia has 78$.
Answer Link

Otras preguntas

Which statements correctly compare the sum and product? Check all that apply. 1. Both functions have a constant rate of change. 2. The sum is linear and the pro
Help me pls ion kno math at all
Geography in attachment ​
What is the best study group?
1. Describe two ways the numbers in each proportion are related.a) 5:20 = 125:500 b) 10:1 = 120:12 c) 75:25 = 300: 100d) 1:3 = 16:482. Multiply between ratios t
-4 + 5x − 7 = 10 + 3x − 2x what eqauls x
1. You discover that your iPod batteries keep dying after a few days. You think that the new 48 hour iBattery will work better. What is your NEXT step in the sc
What does Humanism mean?
Which of the following is an example of pseudoscience? A. Electromagnetism B. Horoscopes C. Radiometric dating D. Biology
Did the Europeans refused to trade with American Indians who did not convert to Christianity.