Seudónimo Seudónimo
  • 23-02-2015
  • Mathematics
contestada

Manuel's gas tank is
2/9
full. After he buys
12
gallons of gas, it is
2/3
full. How many gallons can Manuel's tank hold?

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 23-02-2015
x represents the full tank
so 2/9x+12=2/3x
solve for x
2/9x+12=2/3x
try to convert 2/3 to a commom denomenator (bottom numer )
2/3=6/9
2/9x+12=6/9x
subtract 2/9x from both sides
12=4/9x
mulitply both sides by 9 to get rid of fraciton
108=4x
divide by 4
27=x

it can hold 27 gallons
Answer Link

Otras preguntas

7. Which of the following would lower the pitch of a string instrument's sound? A. adding tension within the string. B. shortening the effective string le
what is the meaning of Android
Do you think positive parenting techniques work? Why or why not?
13Given that log (xy) 3 and log, (x2y3)4Calculate the values of log, x and log, y
What is more inflammable? gasoline or ethanol?
Based on his speech in act 3.2 of The Tragedy of Julius Caesar, which word does not describe Mark Antony? A. manipulative B. dramatic C. emotional D.
Which of Mendels laws can be demonstrated by a dihybrid cross? A.) The law of averages B.) The law of dominance C.) The law of segregation D.) The law of in
The equilibrium expression for a reaction is Keq=[H+]6[Bi2+]2[H2S]3. Which of the following could be the reaction? A. 6H+(aq) + BiS(s) 2Bi2+(aq) + 3H2S(g) B.
The manager of a popular restaurant wants to know what types of vegetarian dishes people prefer to eat. please help asap 3 4 5 6 7 8 9 10 Time R
what is an example of adding energy to a substance and causing a physical change?