Fetures are x and y
x+y=12
23.99x+120.84y=675.28
x+y=12
multiply by -23.99 and add to other equation
-23.99x-23.99y=-287.88
<u>23.99x+120.84y=675.28 +</u>
0x+96.85y=387.4
96.85y=387.4
divde both sides by 96.85
y=4
sub back
x+y=12
x+4=12
minus 4
x=8
8 of the features costing $23.99
4 of the features costing $120.84
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Answer:
26.67 of Vinegar contains in the mixture.
Step-by-step explanation:
Given:
Toatl Mixture in Bottle of Salad dressing= 100 ml
80 Oil in Mixture =
20 Vinegar in Mixture =
Now 40 is Used of total mixture so 60 is remaining.
Remaining mixture = 60% =
20% of Vinegar in remaining mixture =
4ml of vinegar is added in remaining mixture.
Now vinegar quantity in remaining mixture = 12 +4 = 16ml
Percentage of Vinegar contains in the remaining mixture= = 26.67%
Answer:
y = 3 - 4x
To find the y intercept let x = 0
y = 3 - 4(0)
y = 3 or ( 0 ,3)
Hope this helps.
Answer:
-162
Step-by-step explanation:
y = k / x
Plug in values.
18 = k / -9
Solve for k by multiplying both sides by -9.
k = -162