Which is the better unit price: $1.99 for a 3-ounce bottle or $2.49 for a 4-ounce bottle?
2 answers:
Answer:
The second option, $2.49 for a 4-ounce bottle.
Step-by-step explanation:
For the first option:
$1.99 for 3 ounces.
For 1 ounce,
For the second option:
$2.49 for 4 ounces.
For 1 ounce,
Since 0.6225 is cheaper/less than 0.6633..., the second option is better as you can get one ounce at a cheaper rate.
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Answer:
y = x - 12
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
y = - x ← is in slope- intercept form
with slope m = - , c = 0
Given a line with slope m then the slope of a line perpendicular to it is
= -
= -
=
, then
y = x + c ← is the partial equation
To find c substitute (3, - 8) into the partial equation
- 8 = 4 + c ⇒ c = - 8 - 4 = - 12
y = x - 12 ← equation of perpendicular line