Which of the following is not a condition that must be met before you can use the quadratic formula to find the solutions of an
1 answer:
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Answer:
Percentage increase = 269%
Step-by-step explanation:
Price of a DVD last week = $2.87
Price of the same DVD this week = $10.59
Increase in the price of DVD between last week and this week = 10.59 - 2.87
= $7.72
Therefore, percentage increase in the price of DVD =
=
= 268.99
= 269%