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Apply the formula of percent increase,which is :

new value - old value / old value

so, your question is what percent increase is 12 to 18, here 18 is the

new value and 12 is the old value, now apply to the formula:

percent increase= 18-12 / 12 = 0.5

now to get the percent multiply by 100 , 0.5*100 = 50%

So, the percent increase 12 to 18 is 50%.

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14y ago

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