Answer:
1)
2)
MAKING BRAINLIEST ONLY ANSWER IF 100% CORRECT!
2 answers:
You might be interested in
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?