SAT Mathematics Practice Test 7

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Questions 39 and 40 refer to the following information.

Mosteller’s formula: A =
hw
60

Current’s formula: A =
4+w
60

The formulas above are used in medicine to estimate the body surface area A, in square meters, of infants and children whose weight w ranges between 3 and 30 kilograms and whose height h is measured in centimeters.
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Question : 39
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