220/100=2.2
2.2x30=66
$66 dollars she pays
Hope Your Thanksgiving Goes Well, Here's A Turkey
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Step by step subtract 20 from both sides and then subtract 20 from 9 to get -11
Answer: C=-11
the original price is "x", or 100%.
but we know that if we reduce "x" by 20%, namely 100% - 20% = 80%, the 80% of "x" is really £50, what is "x" or the 100% anyway?

Answer:
m=-12
Step-by-step explanation:
Not sure where the 8 comes from, but you would subtract 9 from the left side. The result is -12.