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5 votes
How can I find 30% of 2140?

2 Answers

1 vote
30% of 2140 is 642

Convert percentage into a decimal: 30%/100 = 0.3
Multiply decimal by 2140: 0.3 × 2140 = 0.3 <-- our answer.

User Shvahabi
by
7.7k points
4 votes
'is' in mathematics means equal
'of' in mathematics means multiplication

30% can also be written as 30/100


x = (30)/(100) * 2140\\\\x = (3)/(10) * 2140\\\\x = 3 * 214\\\\\boxed{\bf{x=642}}
User Jvdbogae
by
8.4k points
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