jobrains2362 jobrains2362

14-02-2018
Mathematics

contestada

The sum of 3 numbers is 131. the second of three numbers is seven more than twice the first. the third number is 12 less than the first

Respuesta :

djb3p47j9a djb3p47j9a

15-02-2018

a+b+c = 131

b = 7 + 2a and c = a - 12
so a + 7+2a + a-12 = 131
then 4a -5 = 131
then 4a = 136
and a = 34....so b= 75 and c = 22....check 34+75+22=131√

Answer Link

Otras preguntas

Which group works to help get pardons for past offenses? Amnesty International International Red Cross

How did the fighting in Iwo Jima and Okinawa affect the Allies' Pacific strategy? It was decided that the Soviet Union would begin to send troops to the Pacific

Which group works to help get pardons for past offenses? Amnesty International International Red Cross

how many Times greater is the value of 3 in 300 then the value of the 3 in 300

Napoleon came to power by A. allying himself with France's allies. B. overthrowing the Directory by force. C. leading the nobles against the revolution. D. stor

73/9 as a mixed number

how do you solve y=2x+7; 3x-y=-9 using substitution method. Explain please!!

What is the theme of highwayman?

what was grovers main ambition in life

Recognition of the rights of an individual to his or her own opinions and customs is: Intoleration discrimination toleration