PJNASTY PJNASTY
  • 03-11-2016
  • Mathematics
contestada

solve the equation = a/4+a/3=21

Respuesta :

Jessebruning96 Jessebruning96
  • 03-11-2016
Solve the equation = a/4+a/3=21
a=36
Answer Link
pocketshirts
pocketshirts pocketshirts
  • 03-11-2016
Find the LCD between a/4 and a/3, which is 12, then turn a/4 into 3a/12 and a/3 into 4a/12 and then solve

(3a+4a) / 12 = 21 , 7a / 12 = 21, 7a = 12 x 21 = 252

a = 252/7 = 36 :)
Answer Link

Otras preguntas

Which ratio is equivalent to 7:2? A 72% B 2:7 C 2/7 D 7 out of 2
Jenna plans to invest in a cleaning service franchise called "spare time". at her first interview with the franchisor's selling agent, she learned that the pare
Why might poetry help young people express their feelings? ​
I need help with this question, thanks! What does one today equals two tomorrows mean? Do you agree with it? Why or why not?
what is the difference between salinity and density. 5. How does this relate to the deep currents of the ocean? I'LL GIVE THE BRAINLIEST AND 99 PTS
Guys please help, List the economic activities to delivering evening news bulletin to your television or radio​
When compared to a mixed-market economy, a command economy typically has
which development took place within the Northern International movement of the 15th century​
the equation -x=y+7written in slope intercept form is ​
Brenda is planning her birthday party. She wants to have 10.92 liters of punch, 6.5 gallons of ice cream, 3.9 pounds of fudge, and 25 guests at the birthday par