Answer:
20%
Explanation:
Hello
there are many ways to solve this,using a rule of three we can deduce
let $ 1.50 the total amount =100%
what percent is $0.30?
$1.50⇔ 100%
$0.3 ⇔x%?
the proportion is the same, so

20%
$0.30 is the 20% of $1.50
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