Step-by-step explanation:
The following sequence is in AP
Suppose the first term is denoted by"a" and the common difference by"d"
a=3
d=4.5-3= 1.5
the nth term = a + (n-1)d
= 3+(n-1)1.5
=3+1.5n -1.5
=1.5+1.5n
Step-by-step explanation:
x=120⁰
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The markdown rate is 66.7%.
<h3>Markdown rate</h3>
Using this formula
Markdown rate= Change in price/original price×100
Let plug in the formula
Markdown rate=$1.50-$0.50/$1.50
Markdown rate=$1.00/$1.50×100
Markdown rate=66.66%
Markdown rate=66.7% (Approximately)
Inconclusion the markdown rate is 66.7%.
Learn more about markdown rate here:brainly.com/question/1153322
86921 = 80000 + 6000 + 900 +20 +1
