Answer:
Step-by-step explanation:
Sample 1 :1.5
Sample 2:-2.5
sample 3:5.5
Answer:
6²
Step-by-step explanation:
Using the rule of exponents
⇔
, then

= 
= 6²
(Original Price $425.4)
$328 × 30% = 98.4
328 + 98.4 = $426.40
Find the base price per pound, $15/11, or $1.36 = 1lb, then multiply it by 16, 16 x 1.36 = $21.82. Now just subtract $20 from $21.82 = $1.82. So, You would save, on average, $1.82 by buying the sale.