Question

HELP

Answer 1

The octane rating of a gasoline is a measure of the amount of isooctane in the gas. Subaru recommends 91-octane gasoline for the 2008 Legacy 3.0 R. How much 87-octane gas and 93-octane gas should Kelsey mix in order to make 12 gal of 91-octane gas for her Legacy?

Answer 2

I need help with this problem can anyone help me?

Answer 3

she shouldn't be paying with gasoline

Answer 4

ok now that i gave the wise guy answer, lets solve this

Answer 5

lets put \(x\) as the amount of 93 octane gas.
then since the total is 12 , you know the amount of 87 octane gas is \(12-x\)
solve
\[93x+87(12-x)=12\times 91\]

Answer 6

you good from there?

Answer 7

I'm sorry I lost connection

Answer 8

Where did 93 come from

Answer 9

I got it