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OpenStudy (anonymous):
Find 30% of 70. (1point) 40 21 2.1 0.4
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OpenStudy (anonymous):
of in mathematics means multiply...0.30 * 70 = ?
OpenStudy (anonymous):
I you multiply 7 times 3 you'll get your answer.
OpenStudy (amoodarya):
30% of something = 30/100 =3/10 of something
OpenStudy (anonymous):
No...multiply 7 * 0.3 will give the answer...watch out for those pesky decimals
OpenStudy (amoodarya):
it is sufficient to multiply that number by 3/10
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OpenStudy (anonymous):
That too...there are several ways... someone above gave an incorrect method
OpenStudy (anonymous):
:S
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