Respuesta :

Explanation:

For the On Call company:

  1. 10÷3.5=2.86 per hour divide the money total (10) for 3.5 hours by 3.5 to get unit rate (per hour).

For the talk time company

  1. 2×1.25=2.50 1/2 times 2 equals 1 hours so you also multiply 1.25 by 2 which equals 2.50.