in September Claire 187.4 pounds by march she weighed 163.5 pounds what rational number represents the change claires weight

Answer 1

To find the change in Claire's weight, we subtract her weight in March from her weight in September.

September weight: 187.4 pounds
March weight: 163.5 pounds

Change in weight = September weight - March weight
Change in weight = 187.4 - 163.5 = 23.9 pounds

So, the rational number representing the change in Claire's weight is \( -23.9 \) pounds, indicating a loss of 23.9 pounds.