lostIn98Math lostIn98Math
  • 16-11-2016
  • Mathematics
contestada

how much 78 octane gas and 91 octane gas should be blended to make 13 gallons of 85 octane gas

Respuesta :

Xaried
Xaried Xaried
  • 16-11-2016
13 x 85 = 1105
78 + 91 = 169

169 / 1105 = 6.5
Answer Link
FallOutBlink
FallOutBlink FallOutBlink
  • 16-11-2016
Simultaneous equations
x+y=13
78x+91y=85(13)
(x,y)=(6,7)
Answer Link

Otras preguntas

Consider the function f(x) = 2x² - 9x + 1. Step 1 of 2: Interpret the meaning of f(-5) = 96. a. The instantaneous rate of change at x = -5 is 96. b. The slope o
15. A 50 years old man was given the sum N780 to share with his daughter who was 25 years old. The man decided to share the money according to the ratio of his
10. How many grams are in 6.25 x1023 of BaC₂N₂? a.1222.3 b.800.23 C.196.15 d.900.45
Find the general solution of the following differential equation. Primes denote derivatives with respect to x. (x+8y)y' = 4x-y The general solution is (Type an
Which of the following is not a factor of 15?
2) Ayanda wants to invest R200 000. The bank offers him 2 options for his 6 year investment. Option 1: 12% Simple interest p.a. Option 2: 9,5% Compound interest
Help pls it’s really easy but not for me :(
Pls helpProve the trigonometric identitycsc x cos x/tan x+cot x =cos^2 xDrag the expressions into each box to complete the proof.​
If a country's debt-to-GDP ratio is 84%, the country is producing more th is borrowing. O A. True or False?​
15. A 50 years old man was given the sum N780 to share with his daughter who was 25 years old. The man decided to share the money according to the ratio of his