About 7 of 10 U. S. households have TV remote controls. There were

127,900,000 U. S. households in 1998. How many households have TV remote controls? Set up a proportion to solve

Total households = 127,900,000 Proportion of households having remote control and not 7 : 3 7x + 3x = 127,900,000 10x = 127,900,000 x = 12,790,000 Households having remote control = 7x = 7 X 12,790,000 = 89,530,000 Answer: 89,530,000 households have TV remote controls.