... [2, ∞) D) (5, ∞) Copyright 2011, McGraw Hill, Dugopolski Page Chapter 22 The formulas s = 0.12t + 4.63 and w = 0.08t + 2.48 give an approximate model for the yearly average price s of a bushel of ... solution to give a 12% solution? A) pints B) pints C) pints D) pints 12 Ted walked for 30 minutes and biked for 60 minutes He bikes four times faster than he walks If the total distance traveled ... prices for two neighboring convenience stores generally differ by no more than 9¢ per gallon If one store's gas price is currently at $1.35 per gallon, what is the range of possible gas prices for...