Answer:
6
Step-by-step explanation:
Since it's 5.56, you'll want to round UP because 5 is in the tenths and is closer to 6
Answer:
3(x-y)
Step-by-step explanation:
You would need to subtract 18 to both sides to make this a perfect-square trinominal.
x^2 - 12x = 18
x^2 - 12x - 18 = 0
a = 1
b = -12
c = -18
Best of Luck!
In the x quarts of 2% fat milk, there is 0.02x quarts of fat.
in the y quarts of 4% fat milk there is 0.04y quarts of fat.
together, there is (x+y) quarts of milk, and 0.24 quarts of fat.
the equations are:
x+y=9
0.02x+0.04y=0.24
multiply the first equation with 0.02: 0.02x+0.02y=0.18
subtract this new equation from equaition 2 to eliminate x:
0.04y-0.02y=0.24-0.18
0.02y=0.06
y=3
x=9-3=6
x is twice as much as y.
He used twice as much as the 2% fat milk than the 4% fat milk.
so the first choice is the correct answer.
