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AnnZ [28]
3 years ago
6

When a number is decreased by 30% of itself, the result is 28. What is the number?

Mathematics
2 answers:
Alja [10]3 years ago
8 0
X -.30x = 28
.70x = 28
x = 40
netineya [11]3 years ago
3 0
Number decreased by 30% of itself is 28 
<span>x - .30x = 28 </span>
<span>.70x = 28 </span>
<span>x = 28/.70 = 40 </span>

<span>40 minus 30% of itself is 40 - 12 which does = 28.</span>
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