Answer:
-8-(-11)-7
= -8+11-7
= 3-7
= -4
Step-by-step explanation:
6 Pack Price:
divide total price by number of bars in the pack
=$7.86 ÷ 6 bars
=$1.31 per bar
20 Pack Price:
=$25 ÷ 20 bars
=$1.25 per bar
ANSWER: The 20 pack is a better deal with a lower price per bar. The 20 pack is $1.25 per bar. The 6 pack is $1.31 per bar.
Hope this helps! :)
Answer: (no promises this is exactly right)
-2r+6
Step-by-step explanation:
−3r+9+r+−3
=
(−3r+r)+(9+−3)
=
−2r+6
<span>The younger brother owes Bill $12.75, and the older brother does not owe him any money. </span>
Answer:
Equation: 
when n = 4
Step-by-step explanation:
Given
Direct Variation: P ∝ n
When n = 15, P = 150
Required
Determine the equation
Her earnings if she sold 4 necklaces
P ∝ n
Convert variation to equation
When P = 150, n = 15 (Substitute these values in the given equation)
Divide both sides by 15
Substitute k = 10 in
------- Equation that relates P and n
When she sold 4 necklaces, n = 4
Substitute n = 4 in the formula above
