In November 2017, gas was selling for $3.31 a gallon. This was $.85 cheaper than a year before. What was the percent decrease?

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Mathematics

19 October, 20:59

In November 2017, gas was selling for $3.31 a gallon. This was $.85 cheaper than a year before. What was the percent decrease?

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Answers (2)

Know the Answer?

Osvaldo Krause · Answer 1

74.32

Step-by-step explanation:

$3.31-$0.85=2.46

2.46/3.31*100=74.32

Saige Ali · Answer 2

Step-by-step explanation:

so gas was selling for 3.31 ... that is 85 cents cheaper then a yr before ... so a year before it costs (3.31 + 0.85) = 4.16

% decrease = (decrease / original cost) * 100

= (0.85 / 4.16) * 100

= 0.2043 * 100

= 20.43% decrease <==