6) Body mass index is given by the formula I = 704.5W - Mary's height is 77 in. What H2 weights W will allow Mary to keep her body mass index I between 18.5 and 25?
Afamily eats at a restaurant. the bill is $42. the family leaves a tip and spends $49.77. a. how much was the tip in dollars? b. how much was the tip as a percentage of the bill?