What is z if 2.5% of z equals 75% of 50?
A. 10
B. 25
C. 75
D. 125
E. 1500
Now, (2.5/100) z = (75/100) 50. So, z = (75/2.5) 50 = (750/25) 50 = 1500.
Alternatively, 75 is 30 times 2.5. So, z must be 30 times 50.Of the given options, only 1500 is large enough.