Question

if 80% of X is 256 then the value of X is
a.350
b.300
c.320
d.400

Answer 1

80% of x = 256
means, 80/100 × x = 256
4/5x = 256
x = 256 × 5/4
x = 320
so option c is the correct answer

Answer 2

80/100 ×X=256
8/10 ×X=256
X=(256×10)÷8
X=320

so the answer is 320(c)
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