15.992 – 6.662 – ?= 31.89% of 249.99
a) 171
b) 145
c) 127
d) 193
e) 138
Sol:
15.992 – 6.662 – ?= 31.89% of 249.99
162 – 72 – ? = 32 * 250/100
256 – 49 – ? = 80
207 – ? = 80
? = 127
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