96 110 .1-1.4 Pearson MyLab and Mastering x ℗ Assignments X Chapter 1: Arithmetic of Whole x + X 877#/ w Whole Numbers K Sierra wesson Question 19, 1.4.D-17 Part 2 of 2 HW Score: 70%, 14 of 20 points ○ Points: 0 of 1 Save A family wants to replace their old oil-fired boiler with an airsource heat pump (ASHP) system. The initial cost of the ASHP system is $6900, but it will save the family $30 per month in heating and cooling costs. Determine the payback time both in months and in years and months. The payback time is 230 months. The payback time is year(s) and month(s). C O W 3 US 20:48 SAMSUNG & 7 88 G + backs 9 O