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anonymous
 one year ago
A newborn baby's heart weighs approximately 20 grams. An adults heart weighs about 300 grams. As a grows into an adult, by what precent does the baby's heart increase in weight ? PLZ HELP!!!
anonymous
 one year ago
A newborn baby's heart weighs approximately 20 grams. An adults heart weighs about 300 grams. As a grows into an adult, by what precent does the baby's heart increase in weight ? PLZ HELP!!!

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@Halia subtract 300 from 20.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I did that @AliceCullen & I got 280 what should I do now ?

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.0Percent change formula: \(percent~change = \dfrac{new ~number  old ~number}{old~number} \times 100\)

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.0280 is just the change, not the percent change. 280 is only the numerator of the percent change formula. Now divide by the old number (20 grams) and multiply by 100 to find the percent change.

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.0Also, it's "subtract 20 from 300", not "subtract 300 from 20".

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@mathstudent55 should I divide 20 from 280 ???
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