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solve 75% is to 1/2 as 45% is to blank?

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ratio and proportion with percent.

ratio-and-proportion

asked Feb 19, 2014 in PRE-ALGEBRA by mathgirl Apprentice

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1 Answer

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The word " 75% is to 1/2 " represent the equation is 75% = 1/2.

solve the equation 75% = 1/2 for 1%.

Multiply each side by 2.

150% = 1.

Divide each side by 150.

1% = 1/150.

Therefore, 45% = 45/150 = 3/10 = 0.3.

45% is to 3/10.

answered Apr 10, 2014 by steve Scholar

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