The given sentence 21 is 35 of what number means that
21 is 35 % of what number
Let that number be P
=> 35P/100 = 21
35P = 2100
P = 2100/35 = 300/5 = 60
Hence, 21 is 35 of 60.
x = 30% of z = 30z/100 = 3z/10
y = 40% of z = 40z/100 = 4z/10
According to the question,(x/y)*100 = p%
p% = 3z/100/4z/100×100= 75%
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