The average (arithmetic mean) of 0, a, and b is 2a. What is the value of b in terms of a?
1 answer:
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Answer:
25%
Step-by-step explanation:
First find the difference in price= $8-$6 = $2
Now, find percentage decrease in the price of sandwich.
Percentage decrease= (difference in price/ original price) *100
= *100
=
Percentage decrease=25%