The price of gas last summer was $3.80 and this summer it is $1.90. What is the percent of decrease.
2 answers:
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Answer:
<h2>u = 2T - v</h2>Cross multiply
We have
2T = u + v
u + v = 2T
Move v to the right side of the equation to make u stand alone
We have the final answer as
<h3>u = 2T - v</h3>Hope this helps you
