The body mass index, I, can be used to determine an individuals risk for heart disease. An index less than 25 indicates a low risk. The body mass index is given by the formula, or model, I=200W over H to the 2 power, where w=weight in pounds, and h=height, in inches. Francis weishs 184 pounds and stands 73 inches tall. What is his approximate body mass index? Find an inequality describing all weights W that Francis can have and be in the low-risk category.

ALSO:

Bayside Insurance offers two health plans. Under plan A, Giselle would have to pay the first $130 of her medical bills, plus 35% of the rest. Under plan B, Giselle would pay the first $220, but only 30% of the rest. For what amount of medical bills will plan B save Giselle money? Assume she has over $200 in bills.