First, find out how the percentage left from your total.
New Value / Old Value
2.4 / 3.2 = 0.75
This means that 2.4 is 75% of 3.2
To find the decrease we minute the percentage from 100.
100 - 75 = 25
There was a 25% decrease.
Answer:
Step-by-step explanation:
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Collect like terms and simplify
2hours 20minutes
hope this helps
P=28