Answer:
it is a relationship where the first difference is equal and the second difference is 0
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?
20& 10/35 - 26/35
19& 16/35 simplified to it's fullest.
Right triangle
1) 75.6cm
2)10.14ft
3)16ft
Entire triangle
1)162cm
2)30.94ft
3)20ft
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