Seudónimo Seudónimo
  • 02-09-2016
  • Mathematics
contestada

two numbers are in a ratio of 7:4. their sum is 220 find the bigger number

Respuesta :

dalendrk
dalendrk dalendrk
  • 02-09-2016
7 : 4 ⇒ 7x : 4x

7x + 4x = 220
11x = 220    |divide both sides by 11
x = 20

7x = 7 · 20 = 140

Answer: The bigger number is 140.
Answer Link

Otras preguntas

During an investigation, a student determines that a copper sample has a density of 8.10g/mL. What is the student's percent error if the a ccepted density for c
If 3x – 10 = 17, what is the value of 6x + 20 ?
Okay so I have three tests tomorrow. Haven't even started studying for two of them (Literature and History) but I already know science. How do you all learn 40
Rewrite the following linear equation in slope-intercept form. Write your answer with no spaces. y+2=4(x-3)
Which of the following nutrient cycles has its largest reservoir in the atmosphere? A) Carbon cycle B) Nitrogen cycle C) Potassium cycle D) Phosphorus cycle E)
Can you explain 3x+4/5=7/10. Solve
it is asking me to insert parentasies
Which decimal is equivalent to 13/20?
Why did immigrants tend to group together in cities?
Which of the following nutrient cycles has its largest reservoir in the atmosphere? A) Carbon cycle B) Nitrogen cycle C) Potassium cycle D) Phosphorus cycle E)