Question

de . .. A** 4G,26% 03:05 PM 4.2: Practice Score: 1/18 1/18 answered Question 2 B0/1 pt 34 97 0 Details The phone company Splint has a monthly cellular plan where a customer pays a flat monthly fee and then a certain amount of money per minute used on the phone. If a customer uses 380 minutes, the monthly cost will be $106. If the customer uses 800 minutes, the monthly cost will be $190. A) Find an equation in the form y = mx + b, where x is the number of monthly minutes used and y is the total monthly of the Splint plan. Answer: y = Do not use any commas in your answer. B) Use your equation to find the total monthly cost if 700 minutes are used. Answer: If 700 minutes are used, the total cost will be dollars. Question Help: D Video Submit Question

Answer 1

$ 106 $ 190 * 350 minutes → cost soo minutes → cost two points are: Col9, ) - ( 350 106) 202142) = (800,190) m= -11 *2-21 = 190-106 soo-380 = sy = 0.2 420 im=0.2 equation of line is, y-9,= m (x-21) y - 106 =02 (2-350) y-106 = 0,22 - 76 y = 0.2- 76 +106 Ty = 6.2x +30 A when x=700 minutes y = 0,2(700) +30 y= 140430 9- 170 dollars B