Texas HS Mathematical Models Question of the Day
Daily challenge for Texas HS Mathematical Models. Test yourself and track progress.
A Texas energy company advertises "Switch and save up to 30% on your bill." A customer compares last year's average monthly bill of 127 dollars to the first 3 months after switching, which averaged 118 dollars, with similar usage. Using a simple model where bill ≈ rate × usage + fees (and assuming usage and fees didn't change), which evaluation is most valid?
Select an answer and click Check.